Scientists have documented that galaxies they observe seem to be moving farther away. Which concept best explains this? A. black holes because an unseen force is pulling objects away from the center of the universe
B. big bang theory because the universe exploded from a single point in space and is always expanding
c. gravitational force because objects are being drawn toward the edges of the universe
D.
solar system because the mass of the Sun pushes other galaxies away

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases