The answer to the question stated above is letter b. <span> <span>a meteor or asteroid colliding with Earth
</span></span> <span>The mass extinction at the end of the Mesozoic Era was caused by </span>a meteor or asteroid colliding with Earth. This was said to happen about 65 million years ago.
Answer:
Your body uses oxygen to get energy out of the food you eat.
Explanation:
Oygen breaks down sugar in cellular respiration
A.) Burning waste is bad because it will pollute the atmosphere. So this is not the answer.
B.) More coal based electricity will mean more smoke and ground pollution. Not the answer
--> C.) Starting recycling programs will help reuse the material rather than tossing It in a landfill. This is the correct answer.
D.) Driving cars means pollution, again, it releases carbon monoxide into the air which is bad for the ozone layer of the earth.
Answer:
23 Chromosomes.
Explanation:
In meiosis, you double your DNA and split twice, so that it would be a haploid cell. Normal somatic cells have 46 chromosomes in it, but you need it to be haploid so your partner can complete the cell and give they're DNA.
