D: light
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What is the effect of a lack of nitrate ions on plant leaves?
What are the signs of magnesium deficiency and nitrogen deficiency in leaves of plants? 1 purple spots on leaves 2 re…
When carbon dioxide is being used in photosynthesis, what is its diffusion pathway in a leaf after entering a stoma? …
Which statements about the elbow joint are correct? 1 When the biceps muscle contracts, the elbow is bent. 2 When the…
What are the effects of heroin? key ✓ = yes x = no
Which process, brought about by microorganisms, does not depend on anaerobic respiration?