Scientists distinguish whether an entity is living or nonliving by describing the of life.

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

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

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane