Answer:
On the basis of evidence of mass extinction that have resulted due to the changes in climate of earth.
Explanation:
- Large changes in the earth's climate are controlled by the concentration of greenhouse gases. The rate of carbon dioxide is increasing at a rate more than 100 times greater than has been in the past 800,000 years and this is four-time greater than the time of humans on the planet.
- Changes associated with the earth's orbit around the sun and its changing composition inform us about the modern-day climate changes.
Answer:
Trees falling up means to replant trees. Replanting trees will reduce pollution. The economy will increase due to tourism.
Explanation:
Answer:
N = -17
Distribute first
then add 780 to both sides
lastly, divide by -48
Answer:
Star A is 3.343 times hotter than star B.
Explanation:
It is known that the luminosity of a star is proportional to its effective temperature to the 4th power. This means that the ratio between the brightness of stars A and B is equal to the ratio between their temperatures to the 4th power:
![125=T^4\\T=\sqrt[4]{125}\\T=3.343](https://tex.z-dn.net/?f=125%3DT%5E4%5C%5CT%3D%5Csqrt%5B4%5D%7B125%7D%5C%5CT%3D3.343)
Star A is 3.343 times hotter than star B.
D. the earth is not on the line of nodes
