The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. the nurse reminds the children that chemical sunscreens are most effective when applied at which times?

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: