B.
pain, swelling, and a local rise in temperature.
Answer:
a- black powder
Explanation:
it is powder and has no pigment
Answer:
Dominant black fur and recessive white fur
Explanation:
Black fur is showing over white fur so it is a dominant trait and white is recessive
<span>This research study would be a prospective cohort study. </span>
<span>In this study, the groups are different in some way, for example, a control group which received no treatment, a standard group who received a well-studied drug and a test group who received a new drug. These groups are followed over time and the outcome (such as curing a disease or alleviating symptoms) will be compared. </span>