I believe the answer is D.
Answer:
The given statement is true.
Explanation:
The oxygen that is present in the atmosphere has two main sources:
Terrestrial Plants: As we know that the plants make use of sunlight, water, carbon dioxide and chlorophyll in a process termed as photosynthesis and make glucose and releasing oxygen into the atmosphere which is then used by animals for respiration. This is one of the major source of oxygen in the atmosphere.
Oxygen released from Oceans: In the oceans of the earth, water bodies ,seas tiny plants termed as Phytoplankton are present that are present near the surface of the water bodied that also release oxygen by photosynthesis and account for about 50% of the world's oxygen supply.
Answer: The blood vessels in the umbilical cord, the fetus receives all the necessary nutrition, oxygen, and life support from the mother through the placenta.
Explanation:
It will be metabolism. It includes both exothermic and endothermic reactions.
Answer:
Sunlight, grown produce, and wood
Explanation:
The three renewable resources used by the restaurant are sunlight, grown produce, and wood.
<em>Renewable resources are those resources that are naturally or otherwise replenished within a certain time period. The solar panels used to generate electricity makes use of the renewable energy of the sun. In the same vein, the grown produce and the wood used in preparing food by the restaurant are from plant biomass. The biomass is derived indirectly from the sun as well.</em>
All other materials resources used by the restaurant are not renewable but might be recyclable.