Answer: Carbondioxode and water are starting substances of the photosynthesis reaction.
Explanation: Photosynthesis is a process in which plants prepare their own food in the presence of sunlight. In photosynthesis, plant absorbed water from the soil and carbondioxode gas from the air through small opening called stomata. These two raw materials combine together in the presence of sunlight produces glucose and oxygen.
The answer is d- <span>psychoneuroimmunology</span>
Explanation:
Third Option is absolutely correct.
A snow crystal appears when water vapor in the air converts directly into ice without first becoming liquid water. ... The exact shape of the final snow crystal is determined by the precise path it took through the clouds. But the six arms all took the same path, and so each experienced the same changes at the same times.
The polar climate zone includes the areas of Earth near the North and South poles. The northern polar zone includes parts of Canada , United Kingdom, and Russia . The southern polar zone includes Antartica .