Answer is A. I kid chemistry a while back but I am pretty certain it is A.
Answer:
B. A sperm cell
Explanation:
Meiosis creates gametes/sex cells, such as the sperm and egg.
So, sperm cells are formed by meiosis.
Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.
Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.
So, B is the correct answer.
Answer:
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom
Explanation:
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
Answer:
Temperature
Explanation:
catalyst have specify temperature range for their efficiency
