Answer:
A
Explanation:
An isolated system can NOT exchange energy or matter with it's surroundings. This is why it is isolated.
If its a dominant allele 75%
if its recessive allele 25%
thats what i was always taught i hope this helps some :)
Answer:
it's a
Explanation:
Earth rotates on its axis once each day, and the gravity of the Moon causes the oceans to bulge. Earth rotates on its axis once each year, and the gravity of the Moon causes the oceans to bulge.
Fire can not burn without oxygen