Biology, 30.11.2020 07:40 SKYBLUE1015
1. The body has different types of defences against pathogens.
1 antibodies
2 hairs in the nose
3 mucus
4 skin
Which defences help to prevent pathogens reaching the alveol, when
breathing in?
A 1, 2, and 3
B 2, 3, and 4
C 2 and 3 only
D 2 only
Answers: 2
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Which description provides the best objective summary of the article in the passage?
Answers: 1
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Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users
Answers: 2
Biology, 22.06.2019 10:10
Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.
Answers: 1
1. The body has different types of defences against pathogens.
1 antibodies
2 hairs in the no...
2 hairs in the no...
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