Answer:
Reflecting telescopes take up less space, is the suitable answer.
Answer:
this is what i know
Explanation:
Blood vessels have the ability to dilate and constrict to control body temperatre. When body temperature is too low, the tiny blood vessels near the surface of the skin (capillaries) constrict (vasoconscriction). This decreases the blood flow near the surface of the skin so less heat is lost through radiation.
Answer:
Maybe the number of atoms, Numbers of ions formed, and strength of the various bonds.
Explanation: