Answer:
A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles.
Building blocks for are body
Answer:
The length of the two wires
Explanation:
A control variable is what you keep the same through the whole experiment so therefore it could be both length and diameter
Answer:
Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.
Explanation:
