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4 0

Temperature affects a star size and the light it emits and it also affects it luminosity. When a star is cold it usually emits a blue color and when its hot it emits a reddish color. For example, up close to the sun it appears red, this is because the temperature is hot.
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All the biotic and abiotic factors in a particular area

Oksanka [162]

I think the answer is A

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3 years ago

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2. Just as in humans, systems interact in plants to maintain homeostasis and accomplish the functions of transport, reproduction

Xelga [282]

Answer:

osmosis

Explanation:

plants use osmosis whic is moving water though a semipermial membrane to draw up water. It moves from places of high conetartions of water (dirt) has to is less water (roots). When it does this the plant mains homeostasis by getting water up useing their xylem (tubes in stems) to the leaves.

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A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The rea

Bas_tet [7]

Answer:

This exercise is incomplete, missing the value of k (decay constant), which is equal to 4x10⁻⁸s⁻¹ at 25°C

The answer is 0.549 years

Explanation:

Given:

first order of reaction

k = 4x10⁻⁸s⁻¹

For a first order of reaction, the half-life time for the degradation of DDT is equal to: