Answer:
you run the risk of crushing the objective lens onto the slides.
Answer:
A.
Explanation:
cool . . this that correct.
Answer:
Homeostasis
Explanation:
It is a process that living things use to actively maintain fairly stable conditions necessary for survival.
One very specific way that humans caused changes in the atmospheric CO2 levels is the fossil fuels that the humans are burning is causing an increase in the CO2 levels. Other ways humans are doing this is by driving cars, deforestation, and an increased industrialization that releases CO2 into the atmosphere.