Answer:
2, 23 pairs
Explanation:
it is honestly the only one that makes sense
Answer:
The greenhouse effect is a natural process that warms the Earth's surface.
Explanation:Greenhouse gases cause the earth to warm up
The researchers estimate that between 1990 and 2010, some 69 percent of the mass lost by the world's alpine glaciers can be traced to human influence – basically global warming. This 2013 file photo shows the Mendenhall Glaicer where it spills over the mountains above Mendenhall Lake in Juneau, Alaska.
Doppler effect and redshift as the light coming from stars from the distance can be shifted in the same way as a pitch of sound does
Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.
