"Lactose intolerance" means that your stomach has an extremely hard time digesting lactose, found in dairy products such as milk. For the second part of the question, can you tell me if you mean adapting to resist against lactose or the development of lactose from a long time ago.
When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the C. experimental. Experimental variables are the things you are studying in the experiment and it is the only variable you can change.
the answer is moon. the name tells you what you can't see. since in a solar eclipse you can't see the sun that means that the moon is in between us on earth and the sun. which is why we can't see it
I believe the answer to this question is a food web.
Food Web definition: "<span>a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community."
Source: </span>http://www.dictionary.com/browse/food-web
Answer:
Earth's continents were once connected in a single supercontinent.
Explanation:
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