Answer:
2
Explanation:
Prokaryotic cells don't have a nucleus or membrane bound organelles
Answer: Since the industrial revolution, human activities have also resulted in an increase in natural greenhouse gases, especially carbon dioxide. An increase in these gases in the atmosphere enhances the atmosphere's ability to trap heat, which leads to an increase in the average surface temperature of the Earth.
Explanation:
<span>The muscle is a soft tissue found in most animals. The cells in the
muscle contain protein that produces a contraction that changes both the length
and shape of the cell. They are responsible for the movement it produces in the
human body. There are three types of muscle cell: skeletal, cardiac and smooth
muscle. Cardiac muscle contains excess amounts of mitochondria and myoglobin. The
myoglobin is responsible for the red color of the muscle. The answer is letter
B.</span>
