A Beaker is a laboratory tool used to measure exact measurements of water
E-cool is a bacterium that occurs naturally in the intestines of people and animals
A. Ancestors of whales may once have been able to walk.
Answer:
A
Explanation:
this is because these photosynthetic protists have chlororphyll which is capable to make their own food materials through photosynthesis
Answer: Positive
Explanation:
It encourages that stimulus.