Answer: Option A
Explanation:
The addition of iron to the ocean can result in increasing the productivity of the ocean. This will affect the life of the organism living in their.
The organism that lives in water respire and use oxygen for this process. Once the productivity of the ocean is increased there is a lack of oxygen in ocean.
The biological demand of the ocean will increase and the organism will be limited in the water as there will not be adequate amount of oxygen left for the organism to consume it because of the increased productivity.
hence, option A is the correct where the increased productivity will lead to increased oxygen demand and its rate will be depleted.
The correct choice is d, the burning if fossil fuels because fossil fuels do a lot of harm to the world.
Answer:
The thumb bone is part of the appendicular skeleton, while the sternum is part of the axial skeleton. Therefore, the correct answer to the above question is option b.
Explanation:
The human body is considered to have 206 types of bones. The skeleton system is considered to be the basic structure of the body. The whole skeleton system is comprised of bones. The whole skeleton system is divided into two reason which are appendicular skeleton and axial skeleton.
Axial skeleton consists of bones which are axial in nature and helps the human body to stand firm and straight on the ground. The “appendicular skeleton” consists of bones which are other than axial bones like hands, fingers, feet etc.
It is the spinal cord. Signals reach teh spinal cord, and then are transferred to the brain.<span />
