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3 years ago

Most of the climate changes over the past 650,000yrs are attributed to what happening?

Physics

1 answer:

svlad2 [7]3 years ago

5 0

Most of the climate changes over the past 650000 years are attributed to global warming

Explanation:

Global Warming is the rise in the average temperature of the Earth's climate system over a time period. It leads to climate change.

Global warming is mainly caused by man, who by his actions causes an increase in the temperature on Earth.

The main way that he influences this phenomenon is, he is responsible for emission of greenhouse gases like carbon di -oxide , methane and other gases.

This paves way for the sea level rising, Ice in Arctic regions melting, frequent extreme weather conditions.

In some areas there might be abundant rainfall and in other areas there might be drought.

The impact of global warming will be extinction of many species, low crop yield.

Rising sea levels, will have an impact on people living in coastal areas.

So we have to do what we can to slow down the global warming and protect our environment and our Earth.

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To reduce auto emissions in the United States, modifications to automobile engines have been required since the 1960s.

natali 33 [55]

Answer:

True

Explanation:

8 0

2 years ago

Geothermal energy generation uses what kind of turbine?

aliya0001 [1]

Answer:

electromagnetic induction

Explanation:

Water or working fluid is heated (or used directly incase of geothermal dry steam power plants), and then sent through a steam turbine where the thermal energy (heat) is converted to electricity with a generator through a phenomenon called electromagnetic induction.

6 0

3 years ago

What is the gravitational force between two trucks, each with a masof 2.0x10^4 k

eduard

Answer:

$6.67\cdot 10^{-3} N$

Explanation:

The gravitational force between two objects is given by

$F=G\frac{m_1 m_2}{r^2}$

where

G is the gravitational constant

m1, m2 are the two masses

r is the separation between the two masses

In this problem, we have

$m_1 = m_2 = 2.0 \cdot 10^4 kg$ the mass of each truck

r = 2.0 m is their separation

Substituting,

$F=(6.67\cdot 10^{-11}) \frac{(2.0\cdot 10^4 kg)^2}{(2.0 m)^2}=6.67\cdot 10^{-3} N$

7 0

4 years ago

A boy carries a 50 N box up a flight of stairs 10-m high. How much potential energy has the box gained?

almond37 [142]

Answer:

Potential energy, P = 500 J

Explanation:

We have,

Weight of the box, W = 50 N

Height of the stairs, h = 10 m

It is required to find the potential energy gained by the box. The potential energy is possessed by an object due to its height. The formula of potential energy is given by :

$P=mgh$

g is acceleration due to gravity

$P=50\ N\times 10\ m\\\\P=500\ J$

So, the potential energy of 500 J is gained by the box.

3 0

3 years ago

The point of origin of an epileptic seizure is called the ____.â

djyliett [7]

The point of origin of an epileptic seizure is called the focus. It is the part of the brain that is affected by epilepsy. This is a term used for people with partial epilepsy. The focus can be the frontal lobe, occipital lobe, mesial temporal lobe or the parietal lobe. During seizures, it is the that specific part of the brain that is being effected. Seizures happen when a surge in the electrical activities happen on certain parts. Symptoms are contractions of the muscles, blackouts and visual disturbances. Seizures can be cured and, for partial epilepsy, they are treated with AEDs or antiepileptic drugs.

3 0

3 years ago