Answer:A. no-till
Explanation: There are a large number of more or less well defined tillage systems for soil preparation and crop establishment.
Warm air rises cool air stays closer to earth
A degree of longitude at the equator is equal to 111.32km
Answer:
Together, adenine and thymine compose 70% of the segment. This means that 30% of the section is composed of guanine-cytosine pairs. Since these two bases will be equal in quantity, 15% of the DNA section will be cytosine bases.
Explanation: