Answer:
I believe "B"
Explanation:
In the Sun, the flows of hot plasma in the convection zone create the solar magnetic field. This is sustained by nuclear fusion in the Sun. ... The number of sunspots on the sun increase and decrease over time in a regular, approximately 11-year cycle, which is, in fact the solar magnetic activity cycle.
Answer: Subsistence agriculture.
Explanation: Subsistence agriculture is a type of farming in which farmers cultivate and grow food crops and livestocks to meet their needs and that of their family.
In this type of agriculture, farm products is aimed to survival and it doesn't involve use of large-scale irrigation, chemical fertilizer, or machinery and technology.
Answer:
A
Explanation:
<em>The field of </em><em>recombinant DNA technology</em><em> is a thoroughly modern discipline that has led to new ways to treat infectious diseases.</em>
<u>Recombinant DNA technology involves the process of combining DNA of different organisms and inserting such in a host organism in order to elicit desirable genetic characters that could be of value to different fields in science.</u>
The fields in which recombinant DNA technology has found applications include agriculture, medicine, and industrial productions. With this technology, new drugs and methods of treating diseases have been developed in the area of medicine, disease-resistant crop varieties have been developed in agriculture, and important chemicals for production have been developed in industries.
<em>Correct option:</em><em> A</em>
Nitrogenous base pairs would form the rungs of the ladder.
Answer:
The answer is A. The cell membrane provides rigid support and protection for the cell
Explanation:
The semipermeable structure that surrounds the cell helps the cell live in different environments