The correct answer is: [B]: "beneficial" .
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{<u>Note:</u> A symbiotic relationship known as "mutualism" — in which both organisms benefit.}.
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Answer:
Each part of the mixture has the same appearance.
Explanation:
Homogeneous mixture consists of substances that mix evenly. Therefore has same appearance.
Answer:
An egg placed in salt water will float!
Explanation:
In normal tap water, an egg will sink because it's density is greater than the density of water. But, when salt is added to the water, it's density becomes greater than the egg's density. The term used to describe this is "buoyancy."
Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
well, there are a few meanings...
1. the area of variation between upper and lower limits on a particular scale.
2. a set of different things of the same general type.
