The purpose of a presumptive test is to see which substance the sample is.
Answer:
two
Explanation:
The endocrine and central nervous systems are the major control systems for regulating homeostasis
Answer:
Hope it helps!!
Explanation:
According to cell theory, what do each of the following organisms have in common? Each organism is able to photosynthesize. They are all made up of the same kinds of atoms. ... Cells are the basic unit of structure for each organism.
The correct answer is "The oil removed by this structure can be used to power ships."
Oil rigs are positive, effective and direct methods of recovering crude oil. It is a large construction on or in water with facilities to drill wells, to extract and process oil and natural gas, and to temporarily store product until it can be brought to shore for clearing and retailing.