3 years ago

which of the following has the greatest impact on an ecosystem migratory animals predation human inference

Physics

1 answer:

laiz [17]3 years ago

6 0

Answer:

human interference

Explanation:

Think of the hybrid lady bug..introduced to control insects on crops.

now they are reproducing rapidly, eating natural ladybugs, and other helpful insects..I haven't seen a red ladybug for years. in nw Illinois..

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Two shotguns are identical in every respect except that one has twice the mass of the other. which gun will tend to recoil with

dem82 [27]

The lighter one because it is lighter lol

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3 years ago

Who exerts more pressure? a) A girl of 50 kg, wearing heels with an area of 1 cm2. b) An elephant of 4000 kg with foot area of 2

Mrrafil [7]

Answer:

The girl exerts more pressure.

Explanation:

Pressure can be defined as the force exerted normally or perpendicularly per unit area.

i.e P = F/A

Girls

Area of the heel = 1cm² = 10^(-4) m²

Force = mg = 50 × 10 = 500N

Pressure =

$\frac{500}{10 ^{ - 4} }$

$= 5 \times {10}^{6}$

Elephant

Area = 250cm² = 2.5 x 10^(-2)b m²

Force = mg = 40000N

Pressure =

$\frac{40000}{2.5 \times {10}^{ - 2} }$

$= 1.6 \times {10}^{6}$

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3 years ago

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gogolik [260]

I can’t understand that-

8 0

3 years ago

A dog pulls on a pillow with a force of 2.3 N

nlexa [21]

Fx = Fcos21.9
Fx = 2.3N * cos21.9
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7 0

3 years ago

If a jet travels 350 m/s, how far will it travel each second?

telo118 [61]

Answer:

350

Explanation:

Since it travels 350 meters per second, the jet will travel 350 meters in one second.

5 0

2 years ago