Answer:
The correct answer is option C "determine how a star is moving (toward, away, fast, slow)"
Explanation:
All realized components emanate and assimilate specific frequencies of light, which is important for the electromagnetic range. By considering the frequencies of light (as demonstrated by 'lines' inside the electromagnetic range) discharged by an object in space, astronomers can get a scope of information.
One thing they look at is the adjustment in situation of lines in the range from a star this can tell astronomers the distance away the star is, regardless of whether it is moving towards or away from us and how quick it is moving.
How might dramatic decrease in vegetation lead to a decrease in prey species? If there is less vegetation, herbivores won't be able to eat anything, so they won't have enough energy to escape from predators. ... A parasite lives on or inside the organism , but a predator kills and consumes its prey.
To make sure your body is healthy , and fights them off .
Answer: Sympathetic
The alarm reaction to danger that is triggered by anxiety primarily involves the sympathetic nervous system
Explanation:
The sympathetic nervous system (SNS) primarily stimulates many parts of the body for action in times of danger or emergency situations.
During this process, a hormone known as adrenaline (the emergency hormone) would be released, and effects such as sweating, increased heartbeat, raised blood pressure will follow.