What are symbiotic relationship in ecosystem ?

can you attach a picture of the lettuce? : )

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots