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ikadub [295]
3 years ago
10

Which characteristic is common to all minerals? A. They are naturally occurring. B. They have the same chemical compositions. C.

They have an amorphous structure. D. They are organic.
Biology
1 answer:
leva [86]3 years ago
8 0
The answer is; a) they are naturally occurring.
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The first step in treating drinking water, called ____________________, involves passing water through a series of screens.
AlekseyPX

The right answer is Filtration.

A water filter is composed of a filtration system that aims to separate the water from the solid particles (residues) by passing it through a porous medium, which allows only the liquids and the finer solid particles to pass through. as the filter holes (porosity). The water that comes out of this filtration system is rid of solid particles larger than the pores of the filter.

Some water filters are designed to make drinking water (very fine filtration, less than the size of a microbe).

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2 years ago
Does a carbon monoxide detector go off continuously
Zielflug [23.3K]

Answer: CO alarms have a life expectancy of around seven years. The CO alarm will beep every 30 seconds or display ERR or END. If a CO alarm is at its end-of-life, replacing the battery will not stop the beep. Most detectors will beep 4 or 5 times in a row about every 4 seconds. Do not mistake dangerous levels of poisonous gas for a detector with low battery.

Explanation: (credits to the internet) Hope this helped! :D

7 0
2 years ago
The impact of a sufficiently large asteroid or comet is one of the theories that have been put forward to explain why dinosaurs,
enyata [817]

Answer:

Because the biodiversity decreases.

Explanation:

An ecosystem is richer when it has a higher biodiversity, remember that each living thing has an specific role in the food web. When in an ecosystem this web is bigger, increases the probability of sustain a living thing. For example, in the sea, if there is a fish, this is going to be more probabilities of survive if this fish can eat different plants or other fish. But if in the ecosystem there are not a variety of them, it probability to survive is less if one of it food desapear.

3 0
2 years ago
What important gas did stromatolites (cyanobacteria) release into the atmosphere?
Tju [1.3M]
Cyanobacteria released OXYGEN into the atmosphere through photosynthesis
8 0
3 years ago
Which is a factual statement that cannot be changed or replaced?
LekaFEV [45]
Observation is a factual statement that cannot be changed or replaced.

Explanation)

Hypothesis is a tentative statement that can be tested.
Scientific law and theory are considered a fact but can be disproven if new evidence emerges.
6 0
2 years ago
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