b. to build bones
c. to make shells
d. to help organisms decompose
Answer:
To make shells (Ans. C)
Explanation:
Carbon dioxide from the atmosphere dissolves in the water present in the ocean. Organisms in the ocean use carbon to make calcium carbonate, which is building material of shells of organisms. Organisms that use calcium carbonate for protection and structure are known as calcifying organisms.
Answer:
Greenhouse gases warm the air near earth’s surface by trapping the heat in the atmosphere.
Explanation:
The greenhouse gases are those that made a layer that maintains the heat in the atmosphere. Greenhouses have their roof made of glass to trap the heat from the sun because the heat that enters is higher than the heat that escapes.
The greenhouse gases are carbon dioxide, methane, nitrous oxide, and fluorinated gases.
Answer:
It is used to edit genes
Explanation:
I looked it up.
a cavity filled with fluid
layers of tissue
an inner lining of tissue
Option B, a cavity filled with fluid, is the right answer.
A coelom is a fluid-filled mass decay in bilaterally symmetrical mammals that is absolutely filled with derivatives of mesoderm. In simple terms, it is the main body cavity in many animals and is found inside the body to encompass and hold the digestive expanse and different organs. In matured creatures, it is marked with mesothelium and in other mammals like molluscs endures undifferentiated.