The first step I believe is B. Enzymes break down the protective layer of the egg cell.
Answer:
hope it helps....
Explanation:
Compost your waste; grow some of your own food and recycle. Conserve water. It takes lots of energy to pump, treat and heat water so saving water reduces greenhouse gas emissions. Watch what you pour down the drain and use eco-friendly products that break down.The most effective way to limit ocean acidification is to act on climate change, implementing solutions to dramatically reduce the use of fossil fuels. If we dramatically cut our global warming emissions, and we limit future warming, we can significantly reduce the harm to marine ecosystems.
Answer:
it is 180 million years old
Answer:
A cell that is the source of other cells, as a cell that divides to produce two or more daughter cells, or a stem cell that is a progenitor of other cells or is the first in a line of developing cells. Also called mother cell.