Because comets are darker colored so they need light to shine on them to be seen in the dark skies of space.
Answer:
Explanation: Non Native species come in many ways one way is by boat or some other form of transportation where whether its a plant or animal is either brought on purpose legally, brought illegally, or brought by accident. Like maybe a disease someone didn't know they had or a bug or other animal sneaks on undetected
Thrifty metabolism
Thrifty metabolism is the genetic
tendency toward efficient use of energy that results in below-average energy
requirements and increased storage of calories as fat. Thrifty metabolism
contributes to less weight lost when an obese person reduce the amount of his
calorie intake even though there is changes in metabolism.
C. because stimuli is how your body responds to something, and in this case, someone's heart rate increases WHEN their blood oxygen drop. Do you see how it responds? ;-)
