Answer:
The oxygen cycle is closely linked to the carbon cycle and the water cycle (see hydrological cycle). ... Carbon dioxide enters the carbon cycle or is taken up by plants for photosynthesis. During photosynthesis oxygen is evolved by the chemical splitting of water and returned to the atmosphere
Explanation:
The common iliac vein is posterior to the femoral artery. Attached is an image showing that the common iliac vein is posterior to the femoral artery.
12. D selective breeding
14 D
16: B
I can’t see the other questions sorry!
The fertalization usally takes place when they are a full grown frog