Answer:
The correct answer to the question above is letter c. DNA is a macromolecule.
The statements that describe steps taking place in the nitrogen cycle are
- Many biotic and abiotic factors play a role in recycling nitrogen ( A )
- Farming practices and chemicals lead to a build-up of nitrates in the soil ( E )
Nitrogen cycle is biochemical process whereby nitrogen is converted to various chemical forms as it passes through the atmosphere, Marine and terrestrial ecosystems .
Nitrogen cycle undergoes four ( 4 ) important processes which are :
- Fixation
- Ammonification
- Nitrification and
- Denitrification
Hence we can conclude that The statements that describe steps taking place in the nitrogen cycle are :
Many biotic and abiotic factors play a role in recycling nitrogen and
Farming practices and chemicals lead to a build-up of nitrates in the soil
Learn more about Nitrogen cycle : brainly.com/question/1380063
Answer:
H2O2 H2O CO CO2 CH4 are all compounds.
Explanation:
Compounds contains 2 or more ions of different elements in different proportion joined by chemical bonds into a molecule.
Answer:
300% - 400%
Explanation:
The cardiac reserve is in the range of 300 to 400 percent (300% - 400%
) in normal young adults, while this percentage can be increased to 600% in trained athletes
Research has demonstrated that people will help in-group members because they have feelings of empathy.
<h3>What is empathy?</h3>
Empathy is an emotion that helps people to understand the situation in which another person lives.
Empathy also helps to develop healthy groups and communities and it is an evolutionary feature.
In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.
Learn more about empathy here:
brainly.com/question/16253958
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