Grassland soils are very fertile and nutrient-rich because of the growth and decay of deep grass roots. The rotted roots provide a food source for living plants.
I just did this one if im not mistaken it was red giant
Answer:
As statements are not provided, let's have a look at scientific knowledge generally.
Explanation:
A piece of scientific knowledge will be considered to be true and authentic if it is supported by a number of testable experiments which gave the same supporting result again and again. Experiments performed by such scientists will be viable and will contribute to the current body of scientific knowledge.
On the other hand, scientific knowledge that is not supported by experiments that are correct will not be of much importance.
Answer:
D they are both because they can be both metals and no metals
Explanation:
<span>Three months after fertilization and development of a placenta around the developing fetus, the corpus luteum regresses and forms the corpus albicans.</span> Formed placenta takes over progesterone production (which was the role of corpus luteum) and the corpus luteum degrades into a corpus albicans. The corpus luteum is being broken down by macrophages, in a process called luteolysis. The remains of the corpus albicans may persist as a scar on the ovary.