Answer:d
Explanation:test
If it is for Apex the correct answer was 16
in the early atmosphere, the earth had no trees, and the gases were mainly, carbon dioxide, methane and nitrogen. no oxygen.
when plants began appearing, it increased oxygen in atmosphere, and decreased carbon dioxide, which was also dissolved into oceans forming within sedimentary rocks.
this increase in oxygen continued, and helped create human life.
Answer:
rising temperatures, droughts, shifting patterns of precipitation and longer growing seasons, plants and animals are evolving to keep pace. Biologists have observed squirrels and salmon developing at an accelerated pace, causing them to reproduce at a younger age.
Group of answer choices
A. Earth’s gravitational pull on the sun
B. the moon’s gravitational pull on Earth
C. Earth’s gravitational pull on the moon
D. the moon’s gravitational pull on the sun
Answer:
I think the answer is c sorry if I'm wrong :(
B. a very cloudy sky.
C. a clear sky.
D. a light snow.
Answer: B. a very cloudy sky
Condensation is a process in which the gaseous form of water is converted into liquid. It is very important for the water cycle. This results in the formation of the clouds, fog and dew. For the occurrence of condensation, the air must be saturated. Saturation occurs most commonly when the warm air in the atmosphere cools down to it's dew point. The condensed water vapors and some of the particular matter forms the clouds.
(B) regions in the corresponding mRNA that are involved in initiation of transcription
(C) regions that are not transcribed by RNA polymerase
(D) regions that are excised from the corresponding protein after it is synthesized
(E) regions that remain in the corresponding mRNA after splicing