Children begin to form a self concept around 18 months of age
Answer:
100,000 years
Explanation:
A photon of light takes only eight minutes to get to the Earth from the surface of the Sun. But it can take 100,000 years from the core of the Sun to get to the surface. Where it bursts out and flies at the speed of light.
Answer:
d.It instructs the kidney to take in more or less water.
Explanation:
ADH(anti-diuretic-hormone) increases the water resorbtion in kidneys so it increases the blood volume
