What does it mean to say that science is a “systematic” process?

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

What sort of waves exhibit the doppler effect?

Which class of lever is a baseball bat? what are the parts of a baseball bat's lever class? describe each one. enter your answer in the space provided.(this question you write your own answer.)i couldn't find the right category, so sorry if this doesn't match.