Answer:
What are some of the types of human carbon emissions?
Carbon sources include the combustion of fossil fuels (coal, natural gas, and oil) by humans for energy and transportation and farmland (by animal respiration), although there are proposals for improvements in farming practices to reverse this.
Explanation:
The long term carbon sources are plants while a type of human carbon emissions fossil fuel burning.
The long term carbon sources includes, plants, oceans and other geological forms of carbon that are increasing via sequestration.
The carbon emission occur when carbon sources are burnt such fossil fuels, Jungle fire, and respiration of animals.
Therefore, the long term carbon sources are plants while a type of human carbon emissions fossil fuel burning.
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Why do hunters kill young deers instead of the old?
Which is not true about natural selection?
a. there must be diversity in the population
b. It is driven by natural processors like predator or weather
c. Humans are involved and can select the most desirable organisms
d. predators, geological activity, and weather can all have an impact on organisms
Answer:
D. seems like an appropriate answer since its true
Explanation:
Why do you think Elodea
has so many chloroplasts in each cell?
I WILL GIVE YOU BRAINLYEST!!!
Answer:
It depends It is important to understand the fact that the number of chloroplasts in an elodea cell can vary. The main idea is that there are not a fixed number of chloroplasts in elodea cell. This signifies that there is not a specific amount in each cell.
I Hope It Helps.
In osmosis molecules move through a semi-permeable membrane from a high concentration to a low concentration. True or False
Answer:
False
Explanation:
Osmosis is the movement of water molecules through a selectively permeable membrane from high to low concentrations.
Diffusion is the process in which molecules move from an area of high concentration to low concentration.
The statement doesn't say that the molecules are water, so we put false. If it is wrong then tell the teacher that she has to include water molecules in there to be more detailed.
Identify the two major zones of the ocean
environment
Answer: They are,
benthic zone or ocean floor and pelagic zone or ocean waters
Explanation:
The pelagic or ocean waters refers to the zone beyond the continental shelf and it is the zone where organisms swim or float. Organisms live and survive in this zone.
The benthic zone is the deepest part of the ocean and it is beyond the pelagic zones, some organisms live in this zone too but there are sediments or deposits in this zone of the ocean.
(GIVING BRAINLIEST!!)
During which stage of the water cycle does water from the ocean form clouds?
A) Precipitation
B) Condensation
C) Evaporation
D) Collection
Answer: B) Condensation :)
Explanation:
Answer:
C. evaporation!
Explanation:
water evaporates and goes up
If a human baby's cells contain one X chromosome and one Y chromosome the baby must be
First test for the 2 sem
Answer:
male
Explanation:
Normally, a child will be a male if he inherits one X chromosome from his mother and one Y chromosome from his father. A child will be a female if she inherits a double dose of X (one from each parent) and no Y.
the answer is A femaleeeee
Which type of cell is capable of self-renewal?
A stem cell
B blood cell
C muscle cell
D neuron
how does the concept of apoptosis relate to sally cancer cells compared with normal cells ?
Answer:
Apoptosis is defined as a programmed cell death and plays very important role in the removal of cancerous cells. Apoptosis is the process in which cell undergoes several processes and attempt sui-cide. Apoptosis do not cause any harm to human cells as it removes only unwanted cell.
Apoptosis can prevent cancerous cells by telling unwanted growth of cell to self destruct. Cancer cells are formed due to proliferation of cells and ignore the signals of self destruction to prevent apoptosis.
In Sally's case also, cancer cells ignored the signal of apoptosis and a tumor was found in her colon.
The branch of biology concerned with the relationships of organisms to one another and their
environment.
A. Ecology
B. Environmental science
C. Demography
D. Sustainability
What type of resource is the sun and why?
The sun is a perpetual resource because solar radiation steadily streams from the sun now, but it will only do so for the next thousand years.
The sun is an unsustainable resource because solar radiation steadily streams from the sun without interruption and is expected to do so for the next 6 billion years.
The sun is an unsustainable resource because solar radiation steadily streams from the sun now, but it will only do so for the next thousand years.
The sun is a perpetual resource because solar radiation steadily streams from the sun without interruption and is expected to do so for the next 6 billion years.
Answer:
The last answer
Explanation:
The sun is a perpetual resource because solar radiation steadily streams from the sun without interruption and is expected to do so for the next 6 billion years.
What do you mean by perpetual resource?Perpetual resources are those that last forever like solar energy and wind. Non-renewable resources, once extracted completely from a given area, will never be available in the same spot again (except after millions of years).
Perpetual resources are natural resources—such as solar energy, wind, and tides—that have no chance of being used in excess of their availability. They can be used for power generation and conversion to electric energy.
Sunlight, wind, geothermal heat, tides, and flowing water are perpetual resources. On Earth, there are only limited amounts of fossil fuels such as oil, coal.
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Instruction
Active
Identify the Relationship between DNA and
QUICK CHECK Chromosomes
Identify the structures on the right.
Label A DNA
D
Label B
Label C
Label D
DONE
А
பாருருரு
Toponom
B
Intro
0
3 of 19
Answer:
A- DNA
B- Histone
C- Chromosome
D- Nucleus
Explanation:
EDGE 2020
does the cow go moo?
Answer:
because it does
Explanation:
Answer:
yes?
Explanation:
.............................
the process that are responsible for growth development and other vital functions
Answer:
For one to form, there needs to be warm ocean water and moist, humid air in the region. When humid air is flowing upward at a zone of low pressure over warm ocean water, the water is released from the air as creating the clouds of the storm. As it rises, the air in a hurricane rotates.
Explanation:
I hope it's help
Why does steel wool rust?
Answer:
I think because of the chemical reaction I think something to do with carbon dioxide but I forget
does eliza have asthma or diabetes
Answer:
You did not give details, but asthma is the diffuculty of breathing and is in the respiratory tract. Diabetes, on the other hand, is when your body does not take care of the extra insulin (type 2), or when your body does not produce enough insulin and your blood sugar levels are off.(type 1)
Explanation:
From the list below, select all the probable items that make up the core. (Select all that apply.)A.IronB.AluminumC.SodiumD.MagnesiumE.Nickel
Answer: A. Iron and E. Nickel
Explanation:
Earth's core is the center part of the planet and it is very hot in nature. It is the center of geothermal activities. It is like a furnace. It is associated with intense heat and pressure in the center. It is composed of iron and nickel. The crust and mantle are rich in many minerals. The core is made up of outer core and inner core. The outer core is in borders with the mantle. The temperature of the inner core is higher than the melting point of iron.
What happens when the net energy is zero
Answer: Zero Net Energy = Zero Net Emissions
Explanation: With the addition of renewable energy generation, a ZNE building's annual energy costs become negligible, and since there is a net-zero balance of energy production and use, your building's carbon footprint with respect to energy consumption would also approach zero.
Biotic potential increases a population's
ability to survive. Which of the following
would be considered a factor for biotic
potential?
A. generalized niche
B. low reproductive rate
C. small food supply
D. inability to hide from predators
Answer:
Explanation:
A
The Miller-Urey experiment simulated compounds present in the atmosphere of early Earth, lightning, and the evaporation and condensation of atmospheric water. What other information about the conditions on Earth during this time period would you want to know to improve the experiment?
Answer:
The Miller-Urey experiment was conducted to simulate the conditions on Earth when life arose, and see if a chemical evolution could occur. This experiment was performed without oxygen, because they knew that if oxygen was added, the amino acids would oxidize. In particular, the experiment intended to simulate a volcanic eruption was analyzed.
Thus, particles of water, methane, ammonia and hydrogen were exposed to high temperatures and electric discharges that simulated these eruptions, during a determined period. Later, it was observed that organic compounds had emerged from this exposure, which allowed us to infer one of the hypotheses regarding the origin of life on Earth.
Sarah is using a bleach and water mixture to clean the mold off of her deck. Her mixture contains 20 cups of water and 2 cups of bleach.
How many cups of water does Sarah need for each cup of bleach?
O A 9 cups
OB. 10 cups
OC 11 Cup5
OD. 22 cups
OE40 cups
Does natural selection affect humans? How and why
Answer:
Yes it does affect humans.
Explanation:
Natural selection acts on the phenotype, but evolution is a change in the frequency of alleles in a population over time, a change in genotype. So natural selection acts on phenotype, but it is the connection to genotype that makes it the mechanism of evolution. Many traits vary among different members of a population of humans and animals, from body size to hair color, and those differences are often linked to differences in genes. Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. In scientific terms, these hazards are referred to as selection pressures. They put pressure on us to adapt in order to survive the environment we are in and reproduce. It is selection pressure that drives natural selection "survival of the fittest" and it is how we evolved into the species we are today.
If the sequence of one strand on DNA is CTA GCT CCA, what is the
complementary strand? *
Answer:
If the sequence of one strand on DNA is CTA GCT CCA, the complementary strand is GAT CGA GGT.
Explanation:
The DNA molecule has four nitrogenous bases in its structure, two purines —adenine and guanine— and two pyrimidines, cytosine and thymine.
The two DNA strands are linked by hydrogen bonds established between their complementary nitrogenous bases, where a purine is complemented by a pyrimidine.
In the case of DNA, adenine is complemented by thymine and cytosine is complemented by guanine:
A=T
C≡G
In the sequence belonging to a DNA strand CTA GCT CCA, the strand that is complementary would be GAT CGA GGT.
What key molecule is needed in any Active Transport scenario? *
Answer:
adenosine triphosphate (ATP)
Explanation:
Active transport mechanisms require the use of the cell's energy, usually in the form of adenosine triphosphate (ATP).
In fact, he thought that if a species changed enough, it might evolve into a new species.
Answer:
More context
Explanation:
What organisms provides all the energy for an ecosystem?
Answer:
Plants, algae and photosynthetic bacteria provide an energy source for a majority of the worlds ecosystems.
Explanation:
Does a nerve cells contain a cell wall and a large, central vacuole? Explain why or why not.
How are l actic acid formation and alcohol fermentation different from each other?
Answer:
alcohol fermentation is done from sugar while lactic acid is fermented from all kinds of chemicals
shortly after world war ||, chickens were bred to grow much more quickly and produce more meat. what is this an example of?
what Two
surround and enclose the chloroplasts.
Answer:
double membrane
Explanation:
Chloroplasts are surrounded by a double membrane similar to the double membrane found within a mitochondrion.
Answer:
Chloroplasts are surrounded by a double membrane similar to the double membrane found within a mitochondrion. Within the chloroplast is a third membrane that forms stacked, disc-shaped structures called thylakoids.
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