3 years ago

14POINTS!!!!!!!!! AND BRAINLIEST ANSWER!!!!!!!!!!

2 answers:

5 0

An abiotic factor is something that is not living, so it is the third one; the inches of rainfall in a region in February (An Abiotic factor is something that affects the ecosystem but is nonliving)

Ira Lisetskai [31]3 years ago

3 0

This one is C. there is nothing biological in that statement

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Which are dangerous places to put a flammable substance? Check all that apply.

Murrr4er [49]

Answer:

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Explanation:

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3 years ago

The mass of a substance was found to be 8.2 g. By using the water displacement method the volume was found to be 3.6 cm3. Calcul

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4 years ago

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A skydiver free falls from rest. How long does it take for the skydiver to reach 7 m/s?

aev [14]

Answer:

The skydiver needs 0.71 seconds to reach 7 m/s

Explanation:

Free Fall Motion

When an object is dropped in free air (no friction) from a certain height h, it follows a free-fall motion, whose acceleration is due exclusively to gravity. The speed at a moment t when the object is dropped (from rest) is:

$V_f=gt$

We need to find How long does the skydiver needs to reach 7 m/s. We solve for t

$\displaystyle t=\frac{V_f}{g}$

$\displaystyle t=\frac{7}{9.8}$

$t=0.71\ sec$

The skydiver needs 0.71 seconds to reach 7 m/s

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3 years ago

Which circuit offers the greater resistance to the battery, two bulbs in series or two bulbs in parallel?

dolphi86 [110]

The resistance of two things in series is the SUM of their individual resistances. So the resistance of two bulbs in series is double the resistance of one bulb.

(If they're in parallel, their combined resistance is 1/2 the resistance of one bulb.)

So two bulbs in series is the greater resistance. (a)

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3 years ago

Within a pendulum, as potential energy decreases, _____ energy increases.

Sonbull [250]

Kinetic Energy because when the pendulum is dropped its gravitational energy is transferred into kinetic energy as it gains speed.

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4 years ago