Can somebody help me please rn for question one.

Which of the following are true about bacteria? select all that apply. bacteria are all around you. bacteria can or harmful. bacteria are multicellular organisms. bacteria can only be found on the human body.

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated