In my honest opinion, i would think it would be the C the burning of plastic in open burn barrels I am only saying that because my asthma acts up when there is fire or smoke and I think that's the best option.
I believe the answer is a and d and b not 100% sure
C) Rocks
May I have brainliest??
Hope This Helps!!
Answer:
B) Help produce oxygen
C) Help make foods
D) Help break down dead materials
Explanation:
B - Life on Earth <em>depends</em> on protists since they are the ones who supply us with oxygen.
C - Provide food to other living organisms in food chains/webs.
D - Even, recycle important nutrients just for other life forms to use (some protists may also be decomposers; as they also release nutrients into the environment).
Answer:
D. Ligase
Explanation:
Ligase is an enzyme that can catalyze the fusion of two large molecules through the formation of a new chemical bond, which is usually accompanied by the hydrolysis of a small end chemical group.
Ligases play an important role in linking DNA breaks during excision repair, DNA damage, or spontaneous lesions such as basal sites or oxidized bases.