Answer: B. Water breaks down into oxygen molecules for respiration.
Water is the required for photosynthesis, a process by which plants (terrestrial and aquatic) makes their food by utilizing water as a reactant to produce oxygen and glucose as product. The glucose act as a source of energy for conducting various metabolic processes in plants but oxygen is released in the air.

This oxygen is necessary for terrestrial and aquatic animals for respiration. Therefore, water breaks down into oxygen by the process of photosynthesis, hence water plays important role in respiration in living beings.
Many animals travel in packs or herds to increase chance of survival. This type of adaptation would be classified as behavioral
Answer:
b. thymine I believe but if needed looking it up should be no problem
Explanation:
g-c
a-t
Answer:
<em>Evidence from the geological record is consistent with the physics that shows that adding large amounts of carbon dioxide to the atmosphere warms the world and may lead to: higher sea levels and flooding of low-lying coasts; greatly changed patterns of rainfall2; increased acidity of the oceans 3,4,5,6; and decreased.</em>
Answer:
The correct answer is orange.
Explanation:
Carotenoids are the accessory pigments generated by plants.Carotenoid belongs to terpinoid family of secondary metabolites.Many vegetables such as pumpkin,tomato, carrot have specific color combination only due to the presence of carotenoids.
Carotenoid is responsible for orange,yellow and red coloration of various vegetables such as pumpkin,carrot,tomato etc.