All of the matter in the universe formed after the big bang. Scientists
predicted that hydrogen and helium would be the most abundant elements.
What did scientists discover?
A. The universe has 74% hydrogen and 24% helium, which supports
the big bang theory.
B. Stars are made mostly of other elements, which supports the big
bang theory
C. The universe has 73% hydrogen and 25% helium, which does not
support the big bang theory.
D. Planets are made mostly of other elements, which does not
support the big bang theory.
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 05:20
Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally
Answers: 1
Chemistry, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
You know the right answer?
All of the matter in the universe formed after the big bang. Scientists
predicted that hydrogen and...
Questions
Biology, 03.02.2020 04:47
Mathematics, 03.02.2020 04:47
Mathematics, 03.02.2020 04:47
Chemistry, 03.02.2020 04:47
History, 03.02.2020 04:47
Mathematics, 03.02.2020 04:47
Business, 03.02.2020 04:47
Mathematics, 03.02.2020 04:47
Mathematics, 03.02.2020 04:47
