The hydrogen and helium in our solar system were created from subatomic particles about years ago. a. 14 billion b. 10.5 billion c. 7.0 billion d. 4.5 billion

The correct answer is: a. 14 billion.

According to Big Bang theory, during the formation of the universe 14 billion years ago, only the hydrogen and helium were formed (with a trace of lithium and beryllium). Other elements were created in nuclear reactions (in huge stellar explosions).

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.