Answer:
I would select
A and C
Explanation:
Biotic factors are those of which are living
Protease breaks down protien into amino acids
amylase and other carbohydrase break down starch into sugar
lipase enzymes break down fats and oils into fatty acids and glycerol
i dont know if that answers your question, if not emphasize
The armpit isn't the most precise but it is close. Under the tongue, across the forehead, as long as you have the proper tools (thermometer, the thermometer meant for foreheads) you should get a fairly accurate reading.
Lake is a region filled with water (could be fresh or salt water) that surrounded by Land. (humans on average couldn't cross a lake without vehicle)
Ponds is actually simlar with lands but have considerably smaller size (could be crossed without vehicle_
Stream of pools is a stretch from river area that had noticeable water movement and above average depth.
