Answer:
scientists test a hypothesis by doing an experiment or making a model
Explanation:
Answer:
Looking at tibetan highlanders who thrive at high altitudes- normally that would make us sick- they have adapted, 60% oxygen- could pose huge health issue (live with 10% less oxygen in blood than us)
Explanation:
Evolutionary adaptations- involve a change in the genetic makeup to help individuals survive in environment. Tibetans have adaptations to let them function at high altitudes
Answer:
From what I can see in that graph, I'd say that the rate of photosynthesis was greatest from May to July.
Explanation:
B. prepares a person for social situations
Answer:
both are correct!!
Explanation:
Carbon dioxide plays an important part in vital plant and animal process, such as photosynthesis and respiration. ... Plants and animals, in turn, convert the food compounds by combining it with oxygen to release energy for growth and other life activities. This is the respiration process, the reverse of photosynthesis.