Answer B burning fossil fuels in vehicles, power stations, and factories
Explanation:
Answer:
ok I'm <em>pretty </em>sure that for #1 it's either a or d, its deffinetly not b or c
and for #2 its b, but i'm not entirely sure, its been a while since I've done biology
Explanation:
Answer:
PRECISSION
Explanation:
The movement of the Earth's axis is called precession.
This movement is caused by the gravitational attraction of the Sun and the Moon on Earth.
Near the year 130 B.C. Hipparchus was the first to estimate the precision of this axis, whose period is about 26,000 years.
Answer:
This statement is true
Explanation:
Technologies associated with agriculture systems have greatly enhanced crop yields around the world. An example of this is the "Green revolution" in 1950-1960, where the combination of genetic improvement methodologies with the use of fertilizers was critical for the amazing increase in crop yields, particularly in new varieties of rice and wheat. Indeed, the agronomist who developed some of these high yielding varieties of wheat, Norman Borlaug, was awarded the Nobel Peace Prize for his contribution to the extensive increase in crop production, thereby helping to alleviate world hunger.
