+ not having enough food for everyone
+ how many people migrate
+ birth/death rates
+ how much water there is
+ how much nutrients/minerals are available
+ how much trees/oxygen is available
Answer:
To reduce water loss.
Explanation:
Keeping the stomata closed during the day, helps reduce water loss when dry, hot wind blows across it.
Answer:
Roughage
Explanation:
Hope this helps :)-Mark Brainiest Please! Thanks!!
The body needs to maintain the amount of oxygen that reaches our cells. If we exercise a lot, our breathing rate increases. More oxygen enables our cells to <span>more quickly respire aerobically, so that our muscles can contract more rapidly.
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Answer:
The enzyme function best at a specific temperature.
Explanation:
Enzyme activity is affected by temperature. Each enzyme has a specific temperature
range in which it works most effectively. Most biological enzymes present in the human body have an ideal temperature range of around 98.6 degrees.
