Answer:
Yes, there is no convincing scientific evidence that thimerosal causes harm by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site
Explanation:
Thimerosal has been used safely as a vaccine additive, added to some vaccines to prevent germs like bacteria and fungi from growing in them dated since early 1930s. Though, Thimerosal contains mercury but the type of mercury doesn’t stays in the body, and is unlikely to make human fall sick.
Most people doesn't have any allergic reaction to it except for redness and swelling at the injection site as early mentioned and this is considered irrelevant when compared to effect of vaccine when contaminated by germ which could cause serious illness or death.
Answer:
B. surface runoff
Explanation:
Surface runoff is the flow of water that occurs when excess storm water, melt water, or other sources flow over the Earth's surface.
hope this helps
The outcome of the gram stain is based on differences in the cell's cell wall(different composition of the cell wall
1. Organ
2. Nucleus
3. Diffusion