Answer:
nucleus is the answer your welcome
Answer: runoff is like when rain and water drains away
Explanation:
Produce energy usable by the cells of their respective organisms.
Answer: The first three years are the most critical in shaping the child's brain architecture.
Explanation: They have a direct impact on how children develop learning skills as well as social and emotional abilities.
Answer:
The correct answer is option c, that is, variation.
Explanation:
In the given case, the gravel mix is to be selected on the basis of the size of pebbles, which is analogous to the organism selected in nature. In the given question, the sorting machine is analogous to the environment, that is, a selective force.
Like a specific environment permits the organisms exhibiting specific traits. For example, in a desert where the environment is hot and dry, only the species exhibiting the tendency to conserve water can thrive, similarly sorting machine will permit to distinguish gravel on the basis of the pebble size. Thus, different size of pebble resembles variation.
