I believe the answer is B. Hope I help! Sorry if not. ):)
Answer:
Metamorphic rocks underground melt to become magma. When a volcano erupts, magma flows out of it. As the magma/lava cools it hardens and becomes igneous rock.
Explanation:
So alot of HEAT
The answer is b. blood, Blood is considered a tissue even though it is liquid.
Answer: False.
Explanation:
Nitric oxide(NO) is a signalling molecule synthesised by NO synthase which is a a transmitter in the nervous system. Once it is produced, it diffuses out of the cell and act on nearby cells.
NO have a life time of few seconds and it is extremely unstable and highly reactive, it action is restricted.
The blood vessels uses it to signal the surrounding smooth muscle to relax.
Answer:
D. the cell burst because there was too much water in the cell and it wasn't able to maintain a safe pressure