Which of these is a negative effect of using too much water for the irrigation of crops?
a. depletion of oxygen in the water.
b. harming the plants and animals in river ecosystems.
c. slowed erosion due to the slowing of water flow.
d. increased deposition of sediments upstream.

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

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