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2 years ago

Which activity is an example of a chemical change?

Biology

1 answer:

Pavlova-9 [17]2 years ago

4 0

Answer:

An old penny rusting

Explanation:

A penny forming rust is the penny being chemically altered and changing form as opposed to dissolving sugar in water, which is still sugar, just mixed with water. It doesn't change the chemical makeup of the water or sugar.

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Which statement about somatic mutations is true

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Which statement about somatic mutations is true? They exist in all the cells of the body

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3 years ago

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Theme is the _____ or _____ about _____ that is communicated by a literary work.

Softa [21]

Answer:

Theme is the central idea or insight about life

Explanation:

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2 years ago

Which of these conclusions is correct about the cities whose temperatures were measured by the students?

Sati [7]

Answer:

If i had more info, id have a better answer. But based of luck and guessing, i am going to go with c) almost 50% of the cities have an average monthly temperature less than or equal to 35 degrees C.

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3 years ago

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What factors limited human population growth in the past?

lapo4ka [179]

Answer:

Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration. When organisms face limiting factors, they show logistic growth (S-shaped curve, curve B: Figure below).

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2 years ago

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Sketch a simple model that shows how the moon reflects light from the sun label the following in you diagram:earth sun moon sunl

vesna_86 [32]

The solar system is composed of the sun and the planets.

<h3>What is the solar system?</h3>

The solar system is composed of the sun and the planets. The sun lies at the center of the solar system and the planets move around the earth in concentric circles.

Given that the earth is the only inhabited planet, it holds a central place in the solar system. The moon is a non luminous surface. It reflects the light that hits it from the sun to the earth.

The sun and other stars are the luminous bodies in the solar system.

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1 year ago