Answer:
the area of the upper limb between elbow and hand
Answer:
Radiation and mutations can cause changes in the DNA but there arent substances. Ribonucleic acids can cause errors if they match with the wrong acid.
Answer:
A large number of objects were frequently colliding with one another in a random fashion.
Explanation:
Plato answer
Answer:
Nutrient cycle is a process of movement, reuse or recycling of nutrients in that particular environment. They are for both living and nonliving things, elements like carbon, oxygen are recycled through such cycles.
Nutrient cycle in an ecosystem involve:
- carbon cycle
- nitrogen cycle
- oxygen cycle
- phosphorus cycle
