Sunlight because all plants need sunlight to produce food
Answer: Cytotoxic T cells
Explanation:
A Cytotoxic T cell is a cell whose activation is mainly aimed at destroying cells that are infected by virus. It is a type of white blood cells that destroys cancerous cells or cells that are impaired especially by viruses. A Cytotoxic cell is also known as T-killer cells, Cytolytic T cells, T lymphocyte.
Cytotoxic T cells destroy target cells by prearranged apoptoses.
Answer:
Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA (not proteins) can transform the properties of cells, clarifying the chemical nature of genes. Avery, MacLeod and McCarty identified DNA as the "transforming principle" while studying Streptococcus pneumoniae, bacteria that can cause pneumonia.
Explanation:
;-;
The attached image contains a graph which is showing the levels of nitrous oxide. According to the data in the graph, The levels of nitrous oxide in the following years should be;
- 1600 :- 265
- 1700 :- 275
- 1800 :- 280
- 1900 :- 300
- 2000 :- 310
<em>Thus</em><em>,</em><em> </em><em>Table</em><em> </em><em>in</em><em> </em><em>option</em><em> </em><em>C</em><em> </em><em>is</em><em> </em><em>correct</em><em>!</em>
