Answer:
Mammals have four heart chambers
Explanation:
Answer:
DNA cloning allows a copy of any specific part of a DNA or RNA sequence to be selected from the millions of other sequences in a cell and produced in unlimited amounts in pure form.
Hope this helps :)
Answer: They limited the rights and freedoms of African Americans.
3 elements: calcium, carbon, and oxygen
False. hot rises and cold sinks.
think of the ocean, it is colder the deeper you go because the cold water sinks while the hot water rises. plus there's also the heat of the sun on top.
