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jeyben [28]
3 years ago
5

Why do you think the collapse of ecosystem was unable to recover?

Physics
1 answer:
inessss [21]3 years ago
8 0

Answer: When ecosystems collapse, they rapidly lose their structure and function, with dramatic changes to their size or extent, or the species that comprise them. These losses tend to homogenize and simplify the ecosystem – fewer species, fewer habitats, and fewer connections between the two. This is why when an ecosystem failure is fatal, it's unable to recover

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Two manned satellites approach one another at a relative velocity of v = 0.150 m/s, intending to dock. The first has a mass of m
Aleksandr [31]

Answer:

= - 0.41m/s

Explanation:

Velocity of first satellite

V_1 = \frac{m_1 -m_2}{m_1 + m_2} u

V_1 = \frac{(4 \times 10^3) - (7.5  \times 10^3)}{(4 \times 10^3) + (7.5  \times 10^3)} \times 0.15\\\\= -0.30435

Velocity of the second satellite

V_2 = \frac{2m_1}{m_1 + m_2} u

V_2 = \frac{2  \times 4 \times 10^3}{4 \times 10^3 + 7.5  \times 10^3} \\\\= 0.10435

Final velocity = V(1) - V(2)

V = -0.30435 - 0.10435\\\\= -0.4087

≅ -0.41m/s

8 0
3 years ago
Read 2 more answers
Signal far enough ahead so other drivers in your vicinity can make adjustments to your change in speed and ___________.
3241004551 [841]

Answer:

DIRECTION

Explanation:

the answer of the blank will be DIRECTION

As the signal is far ahead so driver can make the decision of what he have to do either he can change direction or he can be on his same path.

But for that  driver has to change his or her speed.

so, from the statement given the blank will be filled with DIRECTION

8 0
3 years ago
To be considered a source of water pollution, the source must include a chemical
forsale [732]

To be considered a source of water pollution, the source must include a chemical is false.

<u>Explanation: </u>

The water pollution may be caused either by chemicals or waste materials that doesn’t contain chemicals such as domestic wastes, organic compounds, heavy metals etc. The life on Earth mostly relies on water and air, and if these two gets polluted; the results will be dangerous.

Around 70% of the planet is covered with water and the present state of its purity is a matter of a serious thought. Looking over various pollutants, only chemical wastes are not responsible to pollute the water.

Instead, there is range of elements from plastic scraps to chemical wastes that comes from either the non-point sources or the point sources. There are organic waste materials, heavy metals, volcanic eruptions, Tsunamis, earthquakes, etc. are also responsible to contaminate water and affect the amphibians as well as humans.

8 0
3 years ago
Read 2 more answers
if the current in a wire is 2.0 amperes and the potential difference across the wire is 10 volts what is the resistance of the w
Pavlova-9 [17]

Answer:

R = 2Ω

Explanation:

Potential difference (V) = current (I) * Resistance (R)

V = IR

I = 2.0A

V = 10v

R = ?

V = IR

R = V / I

R = 10 / 2

R = 2Ω

The resistance across the wire is 2Ω

3 0
3 years ago
Read 2 more answers
Light propagating in the glass n1= 1.65 wall of an aquarium tank strikes the interior edge of the wall with incidence angle 19.0
jonny [76]
We can solve this using Snell's Law which is represented by the equation:
sin θ₁ / sin θ₂ = n₂ / n₁

From the problem, we can substitute values and solve for the angle of refraction.
sin 19 / sin θ₂ = 1.65 / 1
θ₂ = 11.38°

The angle of refraction would be 11.38°.
3 0
2 years ago
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