Answer:
1 is d, 2 is h, 3 is g, 4 is e 5 is c, 6 is f, 7 is b, 8 is a.
Explanation:
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The farmer grow rice so that they can eat it.
Answer:
water and oil don't mix
they form an emulsion
oil is less dense then water
Explanation:
Since there are no given answers, let's examine all pieces of information we can find here.
After mixing two liquids, Janet shook this mixture. She did it in order to enhance the rate of dissolving. After some time passed, we see that these liquids are separated into two distinct layers, meaning that water and oil do not mix (oil doesn't dissolve in water). This also means that water and oil form an emulsion - an unmixable suspension of two liquids.
Another feature we can observe is that the oil had risen to the top. Denser liquid will always fall down, meaning that oil is less dense then water.
Answer:
C. To trace the reasons why elephants are endangered
Explanation:
I think this is the correct answer because the author doesn't only describe the illegal ivory trade as an important cause of the elephant's endangerment, it also focuses on the shrinking of their natural habitat.
The author starts describing some of the elephant's most interesting characteristics so the audience feels empathy towards them. Then he starts to mention the causes of their endangerment, first the poaching, and then the reduction of their habitats, making emphasis on the fact that both are very harmful.
He finishes showing the effors to save this species.
As we can see, he doesn't focus on the behaviour of elephants so option B. is discarded.
Although the author condemns illegal ivory trade, he also focuses on other factors, so it is not option A.
And he mentions the wildlife preserves, he doesn't encourage the readers to go there, he only describe them as solutions.