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3 years ago

Two factors which cause global climate change are listed below.

2 answers:

4 0

I believe the answer is <span>c. Factor 1 is a natural factor and Factor 2 is a human induced factor.
The amount of heat received by the sun has increased because of the amount of CO2 which human expelled to the atmosphere.
Because of this CO2, the heat from the sun couldn't be reflected outside the atmosphere and trapped within the earth.</span>

elixir [45]3 years ago

4 0

Answer:

A) Both are natural factors

Explanation:

For factor 1, humans can't control the shape of Earth's orbit. For Factor 2, humans can't cause the amount of heat received by our planet's atmosphere and surface. The question NEVER implies or explicitly states if it were due to humans because of pollution. It just talks about the amount of heat we receive.

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A nuclear fission power plant has an actual efficiency of 32%. If 0.18 MW of power are produced by the nuclear fission, how much

7nadin3 [17]

Answer:

P₀ = 5.76 x 10⁻² MW

Explanation:

given,

efficiency of the power plant = 32%

Power produced by the nuclear fission = 0.18 MW

the power plant output = ?

using formula of efficiency

$\eta = \dfrac{P_0}{P}$

where P is the power produced in the power plant

P₀ is the power output of the power plant

$\eta = \dfrac{P_0}{P}$

$0.32 = \dfrac{P_0}{0.18}$

P₀ = 0.18 x 0.32

P₀ = 0.0576 MW

P₀ = 5.76 x 10⁻² MW

Power plant output is equal to P₀ = 5.76 x 10⁻² MW

8 0

4 years ago

A boat takes off from the dock at 2.5m/s and speeds up at 4.2m/s2 for 6.0 seconds how far has the boat traveled

suter [353]

Answer:

The answer is "91 m"

Explanation:

$v_0 = 2.5 \ \frac{m}{s}\\\\a = 4.2\ \frac{m}{s^2}\\\\t = 6.0\ s\\\\\Delta x=?$

Using formula:

$\Delta x = v_0 t +\frac{1}{2} at^2\\\\$

$= 2.5 \times 6.0 +\frac{1}{2} \times 4.2 \times 6.0^2\\\\= 90.6\ m \approx 91\ m$

5 0

3 years ago

When the mover pushes the box, two equal forces result. Explain why the box moves

pychu [463]

The mover is pushing on the box, meaning that when hes pushing on the box hes adding force to the box to make it move. The box cant move without force.

7 0

3 years ago

The total resistance of a 15-ohm, an 65-ohm and a 35-ohm resistor connected in parallel

yanalaym [24]

Answer:

I think its 9.0397 Ohms

Explanation:

take the reciprocal of all the resistances: 1/15, 1/65, 1/35

then add them: = 151/1365

then reciprocal the answer: =1365/151

And chuck it on a calculator: =9.04 Ohms

I think this is right but I'm not entirely sure. Tell me if I'm right by the way!

3 0

3 years ago

Which ones are reactant chemicals?

AVprozaik [17]

Salicylic acid and acetic anhydride are the reactants because the factories mix the two to form aspirin and acetic acid.

8 0

3 years ago