Biology, 04.04.2020 01:30 isamilo520
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
Answers: 2
Biology, 21.06.2019 19:40
Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to canadian breeding grounds in the spring. as global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources how are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring? o a. populations will go extinct since the warblers will stop migrating to breeding grounds. b. populations will be unaffected since most species can quickly adapt to effects of climate change. c. populations will increase since warmer temperatures are generally beneficial to survival, d. populations will decline since individuals will be less likely to successfully reproduce, reset next
Answers: 1
Biology, 22.06.2019 04:40
What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=
Answers: 2
Biology, 22.06.2019 05:00
Explain how organisms could be harmed by high levels of salt from roadways?
Answers: 1
Biology, 22.06.2019 10:30
Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection
Answers: 1
Scientists examine the light spectra from distant stars to determine if the size of the universe is...
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