<span>Red blood cells do not contain a nucleus because their purpose is to carry oxygen around the body. Due to the fact these cells do not have a nucleus, their capacity to carry this oxygen is increased greatly.</span>
Answer:
It Is A Relationship A is mutualism and Relationship B is predation. Hope this help!
Explanation:
Answer:
The correct answer is - a positive feedback loop
Explanation:
Oxytocin is a peptide hormone that is released during labor in women which contracts the uterus and n increase of the oxytocin causes more release of oxytocin hormone to increase the contraction more strongly.
Oxytocin shows a positive feedback loop as its release leads to more of the oxytocin release by stimulates its more release. Most of the hormones show negative feedback release.
Answer:
I believe it is C. Plate tectonics
Explanation:
Compost is formed by microorganisms that use organic materials as their food. Microorganisms needs four essential things in order to create a rich organic compost. These are carbon, nitrogen, oxygen and moisture. Materials that are rich in nitrogen are called "greens" in your compost. Examples are coffee grounds and grass clippings.
