Amother is planning a birthday part. she will give each child 15 balloons. there are 50 balloons per packet. how many packets does the mother need if there will be 16 children?

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

What did pavlov initially notice about the animals in his original research after conditioning took place?

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