The answer would be the first one
Answer:
C. 444 Ma
Explanation:
The first plants that managed to colonize the land appeared around 470 million years ago, while the first arthropods on land appear i the fossil records around 450 million years ago, so we can say that around the period of 444 million years ago they were well established on land. The first arthropods that started to have terrestrial life were almost identical to those in water, with only minor changes that enabled them to breathe and move more easily. The first plants on land were non-vascular plants. They were small as they initially didn't had deep and well established roots.
Answer:
Because they all have a different purpose
Explanation:
The epidermis provides a waterproof barrier and creates our skin tone.
The dermis, the middke layer of skin , contains tough connective tissue, hair follicles, and sweat glands.
The hypodermis is made of fat and connective tissue.
Conversion disorder.
This is a psychiatric condition on which a person has physical symptoms resulting in paralysis, nervous system that cannot be explained by medical conditions. This can occur because of psychological conflict. People at risk are those with medical illness, dissociative disorder, personality disorder. Symptoms of these disease includes blindness, inability to speak, numbness, paralysis. There are various test that can be done to rule out organic cause of the disease.
