The light spot gets bigger as the angle between the beam of light and the floor gets smaller. The amount of light energy in the beam stays the same
Sinkholes are formed when land collapses into cavities underground. A few causes of sinkholes are disturbance of soil (digging for example), water impoundment (dams and basins), and decline of water level (groundwater pumping and droughts).
Answer:
Answer is A
Explanation:
Urea consists of carbon, nitrogen and oxygen. You can find it in urine, sweat, blood and milk in mammals. In its most concentrated form, it is urine. Urea is a crystalline compound, and the nitrogen content is always at least 46 percent when dry.
C. gametes have half the chromosomes so that an egg and sperm cell join to make the original (46)
Athletes tend to have lower resting heart rates<span> because training programs that build speed, fitness, muscle and endurance also train your heart muscles to pump a </span>higher<span> volume of blood with each heartbeat.</span>