20) a moving object would still move but it would also float since no pressure is holding it down.
21) The amount of mass determines the gravitational pull, the more the mass the greater the pull.
The sea is getting fuller.Global warming is causing a rise in a sea level.This is partly due to melting ice in Greenland and Antarctica,and partly due to thermal expansion of the water.The rise so far is about nine inches and the rate has increased to about one inch every seven years.
False. Acids are actually found in the pH range from 0 to 7 and bases are found from 9 to 14. Meanwhile, 7 and 8 are considered neutral.
This is due to the Doppler effect. The position you are in regard to the sound wave causes a change in the amplitude which affects frequency and moves the pitch up
C. endothermic
An endothermic process takes heat from the surroundings while an exothermic process gives out heat to the surroundings.