Answer:
they carry out experiments to understand it
Explanation:
Scientists raise hypotheses which are tested by experiments made under controlled conditions in order to explain a particular topic. When a hypothesis is confirmed by the experimental data, the evidence obtained from this experiment provides the basis to increase the scientific knowledge about a particular issue. In consequence, experimentation can be considered as a critical step in the scientific method and research aims to advance knowledge of a particular phenomenon by confirming a hypothesis, which must be testable (i.e. verifiable as a result of further experimentations).
Answer:
12
Explanation:
After mitosis , two identical cells are produced with the same original number of chromosomes of the parents cells. In this case , if a cell has 12 chromosomes then each daughter cells will have 12 chromosomes after mitosis
Decreasing radiation from the sun
The corect ancer i thank it is c