B. When scientific understanding changes.
Answer:
to go against dangerous viral and bacteria
Explanation:
Answer: the person standing up
Explanation:
the person has the potential to fall or move from position
Answer:
There are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. This evaporation removes water – when water vapour rises into the atmosphere, it leaves the salt behind, so the salinity of the seawater increases. This causes the seawater to become denser.
