The correct answer is letter D.
The statement, "most scientists do not use the metric system or SI,"
is not true when performing biological investigations. In fact, all scientists
use this type of system in order to communicate the same information to other
scientists around the world.
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Answer:
B. generation of rich organic fertilizer.
Explanation:
Compost and fertilizers are different. There is a simple way to distinguish between compost and fertilizers. Compost feeds the soil, and fertilizer feeds the plants. Fertilizer adds to the soil for nutrient supplying purpose to the plants. But compost helps to increase the microbial activities of the soil, which improves the health of the soil.
The answer is sea stars. Sea stars can then push their stomachs out of the body while inserting it into the prey thus the food is being digested externally. Echinoderms are having 5 or at times multiple of 5 arms. Their shell is made of calcium carbonate.
C. Allantois stores waste products produced by an embryo
hope this helps you out good luck.!!!!
A bc it takes in CO and releases oxygen
