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SpyIntel [72]
4 years ago
9

Scientific knowledge is based on evidence. Where do scientists acquire evidence?

Biology
1 answer:
tresset_1 [31]4 years ago
6 0

Answer:

Explanation:

Observation and experimentation. It is part of the scientific method. It begins as Observation, Hypothesis, Experiment, Data Analysis, Conclusion.

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Four new haploid cells are formed once the sister chromatids within the two daughter cells separate, forming four new haploid gametes.
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3 years ago
Why do bacteria become resistant to antibiotics over time?
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Over time, the bacteria that survives multiplies, causing even more harm.

Explanation:

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3 years ago
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__ is to a point source of water pollution as ________ is to a nonpoint source of water pollution.
Ad libitum [116K]
The more probable answer is b: power plant effluent; golf course runoff, although a: <span>power plant effluent; an underground coal mine drain, is also a possible answer.

The source of effluent from a power plant occupies a small, well defined space, i.e. an effluent pipe. This is what is known as a point source, as you can identify with high confidence the spatial and temporal boundaries of the source of pollution. Point sources are relatively easy to quantify and manage because they are so well defined in space and time. Reducing pollution from point sources could be achieved by simply treating effluent to a higher standard or reducing the amount of effluent released. Runoff from land, such as a golf course, is what is defined as a non-point source pollutant. The spatial and temporal aspects of this sort of pollution are much harder to define, as the pathways of runoff from the land into the river may be highly dispersed and variable over time. These sorts of pollution are therefore much harder to quantify and manage.</span>
8 0
4 years ago
An object such as a piece of gold was cut into 2 halves, explain what would happen to its density?
nikdorinn [45]

Answer:

The density would stay the same.

Explanation:

The density would stay the same as density is an intensive property meaning it doesn't change based on the amount of matter that you have.

4 0
3 years ago
Single-celled organisms are able to maintain internal stability because they
Ratling [72]
Eliminate B and D, not all single celled organism carry out through photosynthesis , they called singled celled organism and not work with other cell, it's either A and C, single celled organism is not a complex organism. so you can eliminate letter C.

so the best answer is A, although they have multiple organs system to maintain their internal stability.
5 0
3 years ago
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