Write the SCIENCE definition for these words. (One to three sentences long) Student definition made into your own words. NEED TWO ANSWERS TO MARK BRAINIEST!! *cell
*sex-linked disorders
*selective breeding
*meiosis
*mitosis

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Select the correct answer from each drop-down menu anne has a endocrine system disease. choose the correct way to complete each sentence

What is the only part of your body called that should touch the ball when setting in volleyball?