Who was in control of afghanistan when the u. s. and allied forces invaded it in 2001?
a. al-qaeda
b. the taliban
c. the ba'ath party
d. the mujahadeen

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

1.solid

2.carbon dioxide

3.helium

that tool would be a compass