A principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom
and the rocks become progressively younger toward the top
Choose from these answer:
(Superposition)
(Uniformity)
(Fault)
(Overfolding)
super position
Explanation:
because because it is arranged in a sequence
What are fossil fuels? Why do you think they are used if they cause climate change?
Answer:
fossil fuels are natural fuels like coal.
When fossil fuels are burnt they release large amounts of carbon dioxide ( a greenhouse gas ) that traps heat in our atmosphere causing global warming which is also a factor of climate change
Explanation:
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1. Which statement best describes the effects on an organism when
their environment changes?
O Some changes to an organism have helpful effects and some have harmful
effects.
Changes to an organism's environment often have no effect on the organism.
All changes to an organism's environment are harmful.
All changes to an organism's environment are helpful.
Answer:
firsttttttttttttttt.........................
Which of the following diseases can be cured using antibiotics?
A. AIDS
B. Dengue
C. Typhoid
D. Malaria
Answer:
C. Thyphoid
Explanation:
Part A
In the current system of classification, living organisms are classified into the taxonomic levels of kingdom,
phylum, class, order, family, genus, and species. Why is it important for all scientists to use the same
hierarchy of classification when describing newly discovered organisms?
In two or three well-developed paragraphs, explain how citizens can affect environmental policy at each level of government: local, state, and national.
Local
Citizens can take a local initiative for example go around and voluntarily pick up trash and garbage make sure to spread the word to keep the environment safe and clean since us citizens are the ones who need to take action on the policies
State
State governments can introduces advantages for the citizens who take part in the policies and hold marches and events to raise awareness
National
National governments can introduce enticing policies for both citizens and state governments since we need everyone to take part
the table lists the solutions added to the oil and water mixture
Answer:The table lists the solutions added to the oil and water mixture. Complete the ... The small intestine contains many structures that absorb glucose. Name this ...
Explanation:
strenuous exercise leads to muscle cramp give reason
Explanation:
Cramps can have causes that aren't due to underlying disease. Examples include dehydration, strenuous exercise or lack of muscle use.
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Answer: Lactic acid
Explanation: The acid is caused by anaerobic respiration, which you do when you do not get enough oxygen
Depletion of nonrenewable resources is often a result of?
please help me please help me please help me please help me please help me please help me please help me please help me please help me please help me please help me please help me please help me please help me
Answer:
1. endothermic
2. exothermic
3. endothermic
4. exothermic
5. exothermic
Explanation:
This fly has 14 chromosomes in its cells.7 maternal chromosomes and 7 paternal chromosomes.Assume you are a microscopist viewing this fly cells that are undergoing meiosis. Conclude the number of chromosomes/chromatids at the end of meiosis 1 as well at the end of meiosis 2
Answer:
23 pairs in meiosis 1 and 23 numbers in meiosis 2.
Explanation:
There are diploid number of chromosomes means double number of chromosomes at the end of meiosis 1 while on the other hand, at the end of meiosis 2, there are haploid number of chromosome means half number of chromosomes in each daughter cell. In humans meiosis 1, there are 23 pairs of chromosomes that is diploid in nature but in the end of meiosis 2, there are only 23 chromosomes in each daughter cell which is haploid in nature.
What environmental factor was important for the
Cambrian "explosion of life”?
Answer: the earth was just starting to develop really well and well enough for life.
Explanation: atmospheric oxygen and oceanic calcium levels went up, but nobody needs to know that much facts about how earth developed, But the group called phyla started growing because of these conditions
Answer:
Explanation:
Tôi nghĩ rằng nếu quan trọng thời điểm đó phải là hình thành tầng ozon tạo tiền đề thiết lập hệ sinh thái
What are the 3 major organs of excretion and what do they excrete?
Answer:
Skin, Kidneys, And Lungs
Explanation:
Excretion is the removal of toxic materials, waste products of metabolism and excess substances from organisms. Egestion is the passing out of undigested food as faeces, through the anus. Three major organs of excretion are the skin, kidneys and lungs. Sweat glands in the skin produce sweat.
______ is an enzyme that catalyzes the conversion of phosphate and ADP into ATP during oxidative phosphorylation in mitochondria.
a- Acetyl CoA
b- Cristae
c- ATP synthase
d- Krebs cycle
Lawmakers discuss methods of preventing pollutants that could directly start
a positive feedback loop in the area shown in the picture.
Which
of these
actions
should
they
take?
Total Ozone (Dobson units)
A. Ban the use of
chlorofluorocarbons
in rigeration
systems
B. Increase funding for coal technology
C. Lower allowed concentrations of particulate matter released from
factory smokestacks.
D. Increase the number of jets flying in the upper troposphere.
Answer:
A.
Explanation:
A P E X
Lawmakers discuss methods of preventing pollutants that could directly start a positive feedback loop in the area shown in the picture, and this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.
What are the negative impacts of chlorofluorocarbons on the ecosystem?The ozone layer is an important component of the atmosphere that protects life on Earth from harmful ultraviolet radiation from the sun, and one of the major threats to the ozone layer is the release of man-made chemicals such as CFCs, which can react with ozone and deplete it, so if the ozone layer is depleted, more ultraviolet radiation can reach the Earth's surface, causing skin cancer, cataracts, and crop damage.
Hence, this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.
Learn more about the negative impacts of chlorofluorocarbons here.
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Which structures are found only in plant cells, not in animal cells?
- [ ] A and B
- [ ] B and C
- [ ] C and D
- [ ] D and A
Answer:
answer is b and c
Explanation:
they have different cells, and chloroplast is only in plant cell
mass extinction definition
Answer:
The extinction of a large number of species within a relatively short period of geological time, thought to be due to factors such as a catastrophic global event or widespread environmental change that occurs too rapidly for most species to adapt.
Explanation:
Hope this is helpful.
Which statement best explains why herbivores are not considered parasites
Answer:
Hello There!!
Explanation:
The answer is=>Parasite means that the organism must live inside (intracellular) or on the outside body of the organism (extracellular). The herbivores do not live on the host (plants) for its survival. They just eat the plants and fruits for getting energy. Therefore, the herbivores cannot be called as parasite.
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Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. How are ferritin and glycogen similar in their primary functions for an organism?
A. Both store materials needed by the organism.
B. Both store energy used by the organism
C. Both support the structure of the organism
D. Both store information for the organism
Answer:
A.Both store materials needed by the organism
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Hey buddy I am here to help!
The answer is B = Land used to raise plants for human use
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Which of the following is not a possible pollutant?
a carbon dioxide
b. pesticides
c.fertilizer
d.all are possible pollutants
Answer:
c is the correct answer of this
Carbon dioxide is not a possible pollutants.
What are the by products of Light Reaction ?
Answer:
There are two end products of the light reaction of photosynthesis, ATP and NADPH. These molecules are produced during the cyclic and the non-cyclic photophosphorylation reactions.
Where does the exchange of oxygen (from the air) with carbon dioxide (from the cells) take place?
A. Where are the bronchi meet the bronchioles
B. Where the blood meets the cells
C. Where the nasal passages meet the air
D. Where are the alveoli meet capillaries
Answer:
The Answer is Option D.
Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.
Answer:
D. Where are the alveoli meet capillaries
The molecule represented below is found in living things.
Which statement describes one characteristic of this molecule?
1.
It is the template for the replication of genetic information.
2.
Organic catalysts are made up of these molecules.
3.
It is different in each cell of an organism.
4.
Cell membranes contain many of these molecules.
The diagram of the molecule is attached with the answer.
Answer:
The correct answer is - 1. It is the template for the replication of genetic information.
Explanation:
The given molecule is a DNA molecule that is known as the molecule that takes genetic instructions in all living things and carries them to the next generation of cells.
The DNA molecule has two strands known as double helix formed by winding around one another, backbone of each strand has sugar (deoxyribose) and phosphate groups.
DNA plays a role of the template for the replication of the genetic information during DNA replication as well as transcription during protein synthesis.
Which of the following is a true statement regarding phytoplankton?
they are most commonly found near deep-sea thermal vents
they are responsible for 80% of all global warming
they are the only cause of green ocean water
they are the primary photosynthetic plants in the ocean
Answer:
(D) I think
Explanation:
What factor can decrease the rate of a chemical reaction
Explanation:
The reaction rate decreases with a decrease in temperature.
Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction.
Differences in the inherent structures of reactants can lead to differences in reaction rates.
Please help I’ll give brainliest
Answer:
53
Explanation: You do 36 + 17 = 53 neutrons
Answer: The answer is 19
Which of these terms accurately describes Alzheimer's disease?
Autosomal
Complex disease
Recessive
Dominant
Answer:
I think that the answer is Dominant.
Explanation:
Helpful?
How many inherited traits are considered in a dihybrid cross?
a.)2
b. )1
c.)3
d.)4
18. Which of the following is not an environmental consequence of aquaculture? (1 point)
It releases wastewater into natural environments.
It breeds diseases that devastate fish populations.
It introduces invasive species to natural ecosystems.
It causes wild fish populations to become too large.
It encourages overfishing of wild fish used to feed farmed fish.
