It would be the x-chromosome only, I believe.
<span>Earth rotates around its axis and also revolves around the Sun. Rotation is the motion that causes day and night. Earth completes one full rotation every 24 hours. The part of the Earth that faces the Sun has day and the other part has night.</span>
<span>The layer of Earth's atmosphere where atoms and molecules escape into space is referred to as the ozone layer</span>
Answer:
The nervous system comprises of the brain, sensory organs and spinal cord. The nerves of the body is used to communicate with all the parts of the body.
The brain and the spinal cord is known as the control system of the body which is helps in taking decisions.
The central nervous system helps in maintaining balance of the body, processing the information and based on that response is generated.
The signals from the brain is sent to various parts of the body and from body the signals are sent to the brain for processing.
Hence, the nervous system helps in sensory, motor and integration part of the body.
Answer: the correct option is A (increased by exposure to light).
Explanation:According to the results of this experiment, germination of tobacco seeds during the first week is increased by exposure to light. Germination is a process by which plants grow or sprouts from seedlings after a period of dormancy. One of the environmental factors that are necessary for germination of seedlings is light.
