Answer:
To help you conclude that no uncontrolled factors significantly influenced your results.
To help you determine that your experimental results are valid
To help control for factors that aren't being tested but might affect results
Explanation:
Answer:
Seasonal temperature variations and long-term climate change cause melting of the polar ice caps. As of 2014, temperatures in the Arctic are increasing at double the rate of elsewhere in the world. As a result, ice in the Arctic is thinning and melting. Arctic ice is decreasing by 9 percent each decade, according to data derived from NASA satellite images.
Explanation:
Grade means HAVING SIMILAR ADAPTIVE PATTERNS.
In evolution, a grade refers to a group of species that have similar traits (the trait could be morphological or physiological) and which has given rise to another group that possess major differences from the ancestral form.
Answer:
Jaundice. It is the Jaundice disease.
Yes. Pale eyes and yellow eyes are the same.