Answer:
The correct answer is D
Explanation:
During the 20th century, there was an increasing interest in the environment. The impact of human activity on the environment has been observed locally since centuries. Pollution of canals and chimneys in crowded urban areas etc were all causes of concern.
However, with a better understanding of our earth and increase in Medical knowledge of the 20th century, we could observe how our activities were having a global impact on the ozone layer and the melting ice caps.
Evidence was also provided on how human health was affected by this. The use of fossil fuels was not only directly damaging to the atmosphere, it was also dangerous for humans e.g. carbon monoxide produced by car emissions.
Answer:
F. The telescope will be less able to detect dim objects, and it will be less able to resolve fine detail especially at longer wavelength
Explanation:
The telescope will be less able to detect dim object due to it's small aperture and can't also resolve fine and bright image.
suggestsbl specific interventions or strategies to address the issues at hand
Answer:
1. hydrogen Nitrogen Lead Mercury
2. Phytoplankton
3. About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
Explanation:
Did you know that more than half of the oxygen on earth is produced by these tiny one-celled plants in the surface of the ocean called phytoplankton?
hope this help
