Answer:
Aristotle first wrote about the practice of animal testing in ancient
Greece during the third century BC.
Explanation:
Compositional layers are determined by their components, while mechanical layers are determined by their physical properties.
There are no statements given however a centriole is made up of microtubules triplets in a 9+0 pattern (I am unsure of what level of depth is required)
Answer:
a. Midwest has few sources of acid rain-forming pollutants.
Explanation:
Midwest has few sources of acid rain-forming pollutants because Midwest has less number of factories which produces less pollution. Farming, mining, and manufacturing of different products are the major industries Midwest. Other industries like transportation, finance, and machinery are also important for the economy of Midwest. Due to less number of factories less amount of pollutants goes to the atmosphere and will not cause acid rain.
I think it's called the Acrosome
