Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.
Answer:
Women should stand by at least two months after travel (or 2 months after symptoms started to manifest if they get sick) before trying to get pregnant.The waiting period is longer for men because Zika stays in semen longer than in other body fluids.
Explanation:
Answer:
Even though it can be undone, a new product is formed in photosynthesis. So it's a chemical process
C. The brain sends messages to the spinal cord
limbic system
Explanation:
center of emotional processing is the amygdala
