<u>Radiometric</u> dating uses a radioactive substance to determine the <u>absolute </u>age of something.
<h2>Plant cell:-</h2>
- plant cell have a well defined nucleus.
- plant cell have plastid.
- plant cell has a thick covering of wall.
- plant cells have many other organelles.
<h2>Prokaryotic cell:-</h2>
- prokaryotic cell has no nucleus.
- it do not have plastid.
- prokaryotic cell don't have any thick covering of wall or membrane.
- it has no organelles body.
ANSWER:
Lesions are areas of damage to motor neurons. Damage to upper motor neurons stops the signals your muscles need to move. When your muscles don't move for a long time, they become weak and stiff. Over time, it can become harder to walk and control your movement.
Explanation:
I hope it will help you
ocean - Large bodies of water
current flowing towards equator carry cold water from poles
current flowing away from equator carry warm water from poles
Ex - Humidity