subject
Biology, 22.05.2020 13:57 CoolxBreeze

Which statement is true about the two stars labeled in this diagram?
Star A
Star B
This is an elliptical galaxy and Star A is older than Star B
This a spiral galaxy and Star A is older than Star B.
This is a spiral galaxy and Star B is older than Star A

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 02:30
In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
Answers: 1
question
Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
question
Biology, 22.06.2019 14:40
Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.
Answers: 2
question
Biology, 22.06.2019 15:30
Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody
Answers: 1
You know the right answer?
Which statement is true about the two stars labeled in this diagram?
Star A
Star B
...
Questions
question
Mathematics, 09.10.2019 00:00
question
Mathematics, 09.10.2019 00:00
question
History, 09.10.2019 00:00