Answer:
Wedging (for the first one)
Explanation:
The answer is b. The increase in population suggests that a beneficial trait helped the species.
Answer:
The evidence is valid because it represents how Earth's axial tilt impacts the temperature levels during each season. Conventionally, the Earth has an axial tilt of about 23.4 degrees, and revolves around the sun, ultimately causing seasons.
Explanation:
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Answer:
The amount of atmospheric oxygen is more than the amount of dissolved atmospheric oxygen in water.
Explanation:
The oxygen which is present in the atmosphere is much higher than the oxygen which is present inside the water. About 21 percent of oxygen is present in the atmosphere while only 1 percent of atmospheric oxygen is dissolved in the water. Oxygen is higher in atmosphere because this oxygen is used during respiration of organisms. If concentration of dissolved oxygen is very high, the marine animals die.
