Which idea suggests that species evolve slowly over time? natural selection
punctuated equilibrium
gradualism

answer; 60-100; beats per minute

i'd say that the moon rock is about 2.2 billion years old.

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.

the contamination

we are putting to many trash.