The one on Earth’s surface is a meteorite.
The one in earth’s atmosphere is a meteoroid.
And the one in space is a meteor.
Answer:
The sperm and egg have 1/2 the amount because when the sperm fertilizes the egg, it equals out to the regular amount of chromosomes. That is why we have half chromosomes from our dad and half chromosomes from our mom, equaling out to normal amount of chromosomes.
The answer is D) Neither boy is right. The car will move in the opposite direction, to the left. When he taped the straw and balloon to face toward the right, this will indicate the the air flow will go to the right side making the car move in the left side.
The answer is B
Because that’s what you’re supposed to do after