uniformly young stars
Which is a mark of a galaxy formed by collapse?(1 point)
uniformly young stars
same age stars
abundant gas and dust
a mix of young and old stars
The Milky Way has changed course to head toward Andromeda.
All galaxies will collide at some point.
The two galaxies have collided previously.
Astronomers have observed their movements over time.
Answers: 3
Biology, 22.06.2019 06:40, alexdziob01
Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits
Answers: 2
Biology, 22.06.2019 09:00, bknycfl3951
Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?
Answers: 1
Biology, 22.06.2019 15:40, lovelyashjoy
What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.
Answers: 1
Biology, 22.06.2019 20:30, rjennis002
The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.
Answers: 2
Which is a mark of a galaxy formed by collapse?(1 point)
uniformly young stars
uniformly young stars
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