Sleep is an example.
Circadian rythms are biological processes that repeats itself within a certain time frame, as sleep repeats itself approximately once every day.
Answer: Has 3 times fewer hydrogen
Explanation:
Explanation:
The major blood vessels that are connected to the heart include the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (which takes oxygen-poor blood from the heart to the lungs, where it is oxygenated), the pulmonary veins (which bring oxygen-rich blood from the lungs to the heart) and the coronary arteries (which supply blood to the heart muscle).
Hey there,
It is the chloroplasts.
Hope this helps :))
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Animals such as bees or wind can carry pollen from one flower to another flower and fertilize the plant that way. Plants can also self-pollinate which happens when a plant’s own pollen fertilizes its own ovules.
