Macy observes the lake near a park is covered in green slime. Over a few days she sees that the fish in the lake have started dying. What could be a possible cause of this situation? A. The acid level of the lake has increased. B. An algal bloom has drained the lake of oxygen. C. Industrial chemicals have poisoned the lake. D. The sediment level of the lake has increased.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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explanation:

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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