Biology, 24.08.2019 07:10 oliviac0327
Awoman treated her home with a pesticide that kills spiders. the first application killed 78% of the spiders. two months later she applied the pesticide again, but it only killed 45% of the spiders. what would best explain the decrease in the effectiveness of the pesticide?
Answers: 1
Biology, 21.06.2019 18:00
How had the study of mitosis affected scientists knowledge of cancer
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Biology, 22.06.2019 08:00
As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes
Answers: 3
Biology, 22.06.2019 20:30
An infection of the pulp and the surrounding tissue in the mouth is called
Answers: 1
Biology, 22.06.2019 21:40
What vitamin gives carrots and sweet potatoes their orange color?
Answers: 2
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