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Answer:
Animals gain energy from the food they eat. Some animals eat plants while others eat other animals. This is passing of energy from the sun to plants to animal to other animals is called a food chain
Answer:
Fusion powers the Sun and stars as hydrogen atoms fuse together to form helium, and matter is converted into energy. Hydrogen, heated to very high temperatures changes from a gas to a plasma in which the negatively-charged electrons are separated from the positively-charged atomic nuclei (ions).
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From the combined gas law
that is P1V1/T1=P2V2/T2
P2 is therefore T2P1V1/TIV2
A gas at STP has a temperature of 273k and a pressure of 760torr
P1=760torr
T1=273K
V1=6ml
P2=?
T2=525+273=798K
V2=500ml
P2 ={(798k x760 torr x 6ml) /(273k x500ml)} = 26.7 torr
Answer:
by exploring space then they saw them
