Hubble measured the velocity of the movement of galaxies by using. Hubble's law states that galaxies located farthest from the center of the universe than those closest to the center.

Four common characteristics of all organic molecules

The following diagram shows a stage of a cell during mitosis. Two identical circles are joined in the middle and they have the nucleolus inside the nucleus in the center of the circles.

Which is a factor that determines whether a molecule can cross a cell membrane? A. Size O B. Weight O C. Color O D. Speed

Viruses are not living because

What is capillary action and why is it important

Why does cell division remain important to an adult organism even after it's fully developed

What is a niche?

What are two ways you can increase the frictional force between two objects?

Which of the following pairs of vertebrate classes are most like each other? A) birds and fish B) reptiles and mammals C) amphibians and reptiles D) fish and mammals

What particle has the great mass of three? beta or alpha