C. Gradual
Hope this helps!
Explanation:
The atmosphere is the gaseous envelope round the earth.
The biosphere is the part of the earth dominated and occupied by living organisms.
As with other spheres of the earth, the biosphere and atmosphere are constantly interacting too.
- Organisms breathe in air to their respiration processes.
- Weather elements are conditioned by the atmosphere.
- Decomposition of organisms release gases back into the atmosphere.
learn more:
Biogeochemical cycle brainly.com/question/4217448
#learnwithBrainly
c. Adenomyomatosis. it's an abnormality of the gallblader mucosa
Answer;
A. the Sun's rays are nearly perpendicular to Earth's surface.
Explanation;
-Tropical region receives more solar radiation not only because the Sun’s rays hit the region more directly, but also because they travel through less of the atmosphere to get there.
-Some radiation is absorbed as it travels through the atmosphere, so less energy is lost in tropical regions.
The answer is microscopic life appeared on Earth before flowering plants. This is because according to the label on the second box, microscopic life appeared 4.0 to 3.5 billion years ago, and this is way before the date 250 to 120 millions years ago indicated on the label on the sixth box the flowering plants appeared on Earth.