Which question cannot be answered through making measurements? A. How does a decline in honeybees affect the pollination of crops?
B. Should humans stop using chemicals that harm
honeybees?
C. How much has the honeybee population declined in North
America?
D. Which chemicals produced by humans cause harm to honeybees?
SUBMIT

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.