<h3>Three
tools Oceanographers use</h3>
<h3>
Functions of the
tools.</h3>
- Thermometer helps to measure the temperature of the ocean. Temperature usually varies according to the season.
- Radar helps to measure ocean currents and and it works under any type of weather condition.
- Sonar is an instrument used to accurately measure the ocean depths through the use of sound waves.
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Answer:
Yes!
Explanation:
It is stated in the Unified Cell Theory by a Botanist named Schleiden and a Zoologist named Schwann that all Living Things (organisms) are composed of 1 or more cells. The cell is the basic unit of life.
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. ... Most DNA is located in the cell nucleus
Answer:
The correct option is B (natural killer cells).
Explanation:
Natural killer cells: They are defined as the type of cytotoxic lymphocyte which are critical to the innate immune system. The NK cells play an important role in to provide rapid response to tumor formation, virus infected cells, and acting after three days of infection.
While cancer cells die, they release some antigens, than these antigens are recognized by the immune system, and later they are presented on the immune cells which are known as antigen presenting cells. So, if these cells are absent than they increase the chances of developing malignant tumors.
