Answer:
С observation
Explanation:
This mode of investigation is an example of observation.
Observations are carried out using our senses and keen inquisitiveness. It can take place within a short period of time or an extended duration.
So; noticing the change in shape of the salamanders is making an observation.
Our sight, smell, taste e.tc are all observational tools.
<span>No, you can not conclude Vitamin C use reduces allergies because this could be correlation, without causation. Mothers who used vitamin C may have qualities that decreased allergies, like lower smoking rates or improved pre-natal care. There also needs to be a control group to validate the intervention data.</span>
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
The base found in RNA nucleotides, but not in DNA, is uracil.
RNA and DNA share three bases: adenine, cytosine, and guanine. However, for the fourth base, DNA has thymine while RNA
has uracil. When forming base pairs, cytosine bases are matched with guanine, while adenine bases are matched with uracil or thymine.
Answer:
In ovaries, the final products of meiosis are. A) haploid cells.
Explanation:
