ANSWER WITH EXPLINATION BEST ANSWER GETS BRAINLIEST 100 POINT PLZ DON'T COMMENT Which gas is used in the rebreather to allow divers to stay underwater longer and dive deeper?
Hydrogen
Flourine
Helium
Francium

hydrogen

Explanation:

its not very common but for people who want to dive deep and last underwater longer use hydrogen to do so. It keeps them from hallucinating when going up very quick from a deep spot known as the benz

branliest please

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.