Answer:
Pros of Biofuels
Renewable – Biofuels are produced from plants and other organic material, so it can be replenished constantly. This is in contrast to the fossil fuels, which are constantly in the process of being depleted.
Clean – Biofuels are environment-friendly. They are much efficient & cleaner than fossil fuels, producing less air pollution and using materials that would otherwise be considered as waste products. Biofuels cause much less greenhouse gas emissions in comparison to the conventional types of transport fuels.
Inexpensive – They can be made easily by using local materials. Biofuels are very cheap to afford. They are the cheapest types of fuels available in the world.
Flexible – can be easily mixed with other fuels.
Additives – Biofuels like ethanol and biodiesel are better for car engines than fossil fuels. Even if not being used as the main fuel source, they can be used as additives to improve performance.
Carbon neutral – the amount of carbon dioxide created by the burning of biofuels is equal to the CO2 absorption capacity of the plants. Hence, no extra CO2 remains in the atmosphere.
Explanation:
why are some planets harder to see than others planets in the solar system
Answer:
Because they are farther away
Explanation:
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation. How does heat energy cause materials to move during convection? Complete the sentences below.
It causes denser materials to ______.
It causes less dense materials to ______.
Answer choices are Rise, Sink, Reflect, Absorb.
Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.
In heat transfer by convection, heat energy causes denser materials to sink and causes less dense materials to rise.
What is heat transfer?Heat transfer refers to the process by which heat energy is transferred from one point at higher temperature to another at lower temperature.
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation.
Thus, during convection, heat energy causes denser materials to sink and causes less dense materials to rise.
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What is an example of malignant tumor?
Answer:
Carcinoma.
Explanation:
These tumors form from epithelial cells, which are present in the skin and the tissue that covers or lines the body's organs. Carcinomas can occur in the stomach, prostate, pancreas, lung, liver, colon, or breast.
how is transportation helpful in plants
Answer:
The plants have low energy needs, as they use relatively slow transport systems. Plant transport systems move energy from leaves and raw materials from roots to all their parts.
By transportation in plants,plants can throw it's useless or unwanted waste..
This is a person in a fictional work that does not change during the course of the action.
Answer:
A Static character
Explanation:
I will really appreciate if you can tell me the answer
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Olvin Otero
Which organelle is present in the cells of a bean plant, but not in the cells of a human?
O Chloroplast
Nucleus
O cell membrane
O Mitochondria
Answer:
Chloroplast
Explanation:
Chloroplasts are present in a bean plants but not in the cells of a humans
All of these molecules are involved with protein synthesis except —
A. PGAL
B. tRNA
C. mRNA
D. DNA
Which of the following best describes the purpose of cellular reproduction?
A) to synthesize new adequate ATP from ADP
B) to replaces dying cells with new cells
C) to ensure that chromosomes contain enough DNA in the nucleus
D) to provide enough oxygen for cells to function properly
Answer:
i think b
Explanation:
cellular reproduction is to reproduce a preexisting cell
Question 1
Next >
Which of the following pathways produces a new, fertilized egg cell?
Mitosis produces gametes, the gametes fuse to form the new fertilized egg cel
Mitosis and meiosis both produce gametes which then fuse to form the new fe
oc
Melosis produces gametes; the gametes fuse to form the new fertilized egg ce
Neither mitosis nor melosis produce gametes; the fertilized egg cell is produce
Answer:
The answer would be C.
Explanation:
The answer would be C because only miosis froms gametes.
What amino acid sequence is produced by the following DNA template strand? 3’ ATG CCC TTA GAT GGT AAC 5’
Gregor Mendel studied pea plants to determine the patterns of inheritance. What is not a reason Mendel used pea plants in his experiments? Check all that apply.
Answer: Gregor Mendel, pea plants were fundamental in allowing him to understand the means by which traits are inherited between parent and offspring. He chose pea plants because they were easy to grow, could be bred rapidly, and had several observable characteristics, like petal color and pea color.
Explanation:
Answer:
B and D
Part 2 is C
Explanation: edge
If you were to leave a pan of water outside for several days what would happen
Write a scientific report on the what would happen, and how would they relate to the tree states of water: solid, liquid and gas.
At least 3 paragraphs.
Answer:
the water would evaporate and the water would be gone
Explanation:
hope this helps
Which of the following statements describes one way that energy is transferred in a food web?
Plants provide energy to consumers.
Energy is cycled between producers.
Consumers obtain energy directly from sunlight.
Producers store energy made by animals.
Answer: energy is cycled between producers
Explanation:
Plants provide energy to consumers, herbivorous and decomposers consumers are the only two groups that directly receive energy from plants.
What is a food web?The process of photosynthesis in plants transforms solar energy, which makes up the vast majority of the energy in food webs, into chemical energy.
When molecules are broken down during respiration in plants, a small fraction of this chemical energy is converted directly into heat. From producers to consumers, energy flows.
The relationships between species in a biotic community that involves eating are described by food chains, food webs, and/or food networks. In other words, they demonstrate the flow of resources and energy within an ecosystem from one species to another.
Therefore, plants provide energy to consumers one way that energy is transferred in a food web, hence option A is correct.
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What makes producers so unique compared to other organisms in any ecosystem?
A. They are the only organisms capable of capturing energy
B. They are the only organisms that are green
C. They can recycle nutrients and water.
D. They can take energy from other organisms.
A
Producers get their energy from non-living resources
We can take out D
Of course, B is not it.
Now, we have either A or C.
Producers capture energy from sunlight, this means its A.
where do convection currents occur.
A. in areas with the same temperature.
B. in areas with the same altitude.
C. in areas with different air pressures
D. in areas with different cloud types.
Answer:
the answer is C-in areas with different air pressures
Explanation:
Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated.
Answer:C. in areas with different air pressures
Explanation:
define photosynthesis and provide examples of photosynthetic organisms
Answer:
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis
Explanation:
Hope this helps you
Crown me as brainliest:)
Rosa uses a microscope to compare and contrast a group of cells. She sees that the cells are joined together, so she knows that they are from one organism. She also sees that all of them have cell walls. Rosa could be looking at: (HIGHLIGHT THE CORRECT ANSWER)
Answer:
plant cells
Explanation:
Rosa could be looking at plant cells.
Plant cells are generally joined together when tissues of plants are viewed under the microscope and each cell is usually with a cell wall. Animal cells, on the other hand, do not have cell walls.
Tissues are generally composed of similar cells that have been aggregated together to perform a function in the body of organisms. Both plant and animal tissues consist of many cells but only plant cells have cell walls.
Large volcanic eruptions can sometimes lead to a decrease in the
amount of life on Earth. Please describe how volcanic discharge can lead
to this decrease in biodiversity. (Hint: What does a Volcano erupting do to
the area surrounding it? Kills plant and animal life?)
answer ASAP please
Answer:
Plants are destroyed over a wide area, during an eruption . ... Aquatic life can be affected by an increase in acidity, increased turbidity, change in temperature, ...
Explanation:
hopefully its right!
What are three methods for detecting radioactively labeled DNA in an experiment?
Answer:
Limitations. detect low abundance DNA binding proteins from lysates. test binding site mutations using many probe configurations with the same lysate. test binding affinity through DNA probe mutational analysis. non-radioactive EMSA possible using biotinylated or fluorescently labeled DNA probes.
Explanation:
Answer:
Proteins interact with DNA through electrostatic interactions (salt bridges), dipolar interactions (hydrogen bonding, H-bonds), entropic effects (hydrophobic interactions) and dispersion forces (base stacking). These forces contribute in varying degrees to proteins binding in a sequence-specific or non–sequence-specific manner.
Explanation:
What is the relationship between undisturbed sedimentary rock layers and fossils?
Answer:
A principle of law stating that within a sequence of undisturbed sedimentary rocks, that the oldest layers are on the bottom and the youngest are on the top. rock layers have a unique set of fossil animal and plant remains which can be used to determine the relative ages of rock layers.
Explanation:
List some common adaptations in organisms
what are some methods that scientist's use to learn more about dinosaurs
Answer:
paleontologists look for clues preserved in ancient rocks
Explanation:
sry if it doesnt help but thats all i could think of
Trilobites
Trilobites were crab-like animals
that lived in ancient seas.
Scientists have discovered many
trilobite fossils all over the world.
However, the fossils only appear
in rocks that are at least 250
million years old. In more recent
rocks, their fossils are absent.
1. What conclusion would you
draw about trilobites based on
their appearance and
disappearance in the fossil
record
Answer:
The trilobites probably disappeared because either: A) they evolved into something else, or B) they died out due to the amounts of land rising out of the ocean.
Which of these characteristics is NOT a property of water? (SC.912.L.18.12) A. Increases density as it solidifies B. Functions as a universal solvent C. Exhibits a highly cohesive behavior D. Moderates changes in temperature
Answer:
Option A.
Increases density as it solidifies
Explanation:
Increases density as it solidifies is not the characteristics of water because when water solidifies or freeze it become less dense or lighter compare to liquid water. When water solidifies to ice, it molecules are packed together and it is arranged in six sided crystalline shape which make it to be less dense or lighter than the liquid water molecules which is denser or more heavier.
Red-green color blindness is an X-linked recessive disorder.
A Punnett square is shown. The columns are labeled X Upper B and Upper Y. The rows are labeled x Upper B and x b.
What is the probability of the offspring having red-green color blindness for the cross that is represented by the Punnett square?
0 percent
25 percent
50 percent
75 percent
Answer: 25%
Explanation: This is the correct answer on Edge 2020 (just took the unit test review and made a 100%) ^-^.
X-linked recessive disorder refers to the genetic condition in which mutations or errors are associated with the gene are present on the X chromosome. The male will be affected by the disorder, while the females can be carriers.
In the given Punnett square, there is a 25% chance that the offspring can be -red-green color blind.
Red-green color blindness in people refers to the difficulty in distinguishing the colors like red, green, orange, and yellow. People with color blind have a normal life and there is no proper cure for the condition.
Thus, the percentage of the offspring that will be red-green color blind is 25%.
To know more about X-linked recessive disorder, refer to the following link:
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Which of these is NOT true about the outer core? HURRY! MARK BRAINLIEST
Question 2 options:
It has a higher temperature than the inner core.
It is mostly made up of iron and nickel.
It is mostly liquid.
Atoms within it form a powerful magnetic field.
Answer:
It has a higher temperature than the inner core.
Explanation:
The inner core is indeed hotter than the outer core, is mostly composed of liquid iron and nickel, and magnetism in the outer core is about 50 times stronger than it is on the surface.
Koalas live almost entirely on leaves from eucalyptus trees and they are native exclusively to Australia.
Destruction of the Koalas' habitat will most likely lead to -
F)) koalas producing more
offspring
G)) a decrease of the koala
population
H)) the koalas becoming larger.
J)) an increase of the koala
population.
Answer:
G
Explanation:
it will ruin the koala homes
please help me, i dont like this
Answer:
The answer is true
Explanation:
I looked it up.
What best describes the role of molecular oxygen (O2) in aerobic respiration?
A. It accepts electrons when reacting to form water.
B. It combines with carbon and hydrogen to form glucose.
C. It is released when glucose breaks apart.
D. It reacts to form carbon dioxide and water.
Aerobic respiration involves the reaction of oxidation which involves the acceptance of electrons when the molecular oxygen reacts with protons to form water molecules. Thus, the correct option is A.
What is Aerobic respiration?
Aerobic respiration is the chemical process in which molecular oxygen is used to make the energy in the form of ATP from carbohydrates. It is also called as aerobic metabolism, and oxidative metabolism.
Aerobic organisms can use molecular oxygen (O₂) to generate energy in the form of adenine triphosphate (ATP). The role of molecular oxygen in the process of cellular respiration is to act as the end acceptor of electron. As the electrons are dropped off at the inner mitochondrial membrane during the process of cellular respiration, they travel through the electron transport chain and are finally accepted by the molecular oxygen to form water.
Therefore, the correct option is A.
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