why astronomers theorize that most of the matter in galaxies and clusters of galaxies is dark matter

Convection refers to the movement of heat through a fluid, such as water. Which best describes one way that convection influences the circulation of ocean water? Cold water at the surface flows toward the poles and sinks as it cools.

What can be concluded about a tropical storm as it moves away from the equator? A. It disappears b. It's strength doesnt change c. It gets weaker or d. It gets stronger

In this activity, you will determine whether each statement relates to DNA or to RNA. Based on your knowledge of DNA and RNA structure, drag each item to the appropriate box to indicate whether it best describes DNA or RNA

Which statement accurately describes Darwin's experience on the Beagle? A. He had a eureka moment and understood how species evolve. B. He recognized the significance of each species he observed. C.

Which of these options is a simple sentence? Select one: a. This cave is full of bats; I don't want to go inside! b. I don't want to go into this cave-I think it's full of bats! c. I don't want to go inside this cave full of bats.

Peter has been seeing a counselor for problems in his sexual life. Peter's counselor referred him to an urologist to treat his problem.

What scientists developed laws of inheritance before DNA and genes were discovered?

Statement best describes how antibiotics affect cellular homeostasis? antibiotics remove chloroplast from plant cells to cause starvation antibiotics increase the rate of DNA replication human cells by forming nucleotides antibiotics and interfere

Is it true that The strength of the electric field of a charged particle becomes greater as the distance from the particle increases?

The term semi permeable is used in reference to the