Scientists examine the light spectra from distant stars to determine if the size of the universe is changing. Why do astronomers believe the size of the universe is changing?

Question 12 options:

The red shift indicates that distant galaxies are moving away from each other.

The red shift indicates that distant galaxies are moving towards each other

The blue shift indicates that distant galaxies are moving away from each other

The blue shift indicates that distant galaxies are moving towards each other

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Which nucleotide component contains nitrogen