Physics

Physics, 01.10.2019 14:30, anna80544

What is the most abundant element in the universe?
a. helium
b. hydrogen
c. carbon

answer

Answers: 2

Show answers

Similar questions

Предмет

Biology, 30.06.2019 11:00, coolgirl5679

Which statement best describes why carbon is the key element in organic compounds? a. carbon is extremely reactive and must form bonds for stability. b. carbon has a strong tendency to form chains or rings. c. carbon is the least reactive element on the periodic table. d. carbon is the most abundant element in the universe.

Answers: 1

Предмет

Physics, 20.07.2019 00:30, ultimatesaiyan

Both kepler and newton used math to support a heliocentric view of the universe. true false 2 points question 2 aristotle believed that the earth is made of permanent, non-perishable matter he called aether. true false 2 points question 3 aristotle was a greek philosopher who believed that the planets must move in perfect circles. true false 2 points question 4 the most abundant element in the universe is and the second most abundant element is helium, oxygen hydrogen, helium oxygen, hydrogen 3 points question 5 why do scientists believe that dark matter exists even though it cannot be seen? we can observe its gravitational effects. it is observed to emit light. we can measure its mass. 3 points question 6 which of the following is evidence used to support the big bang theory? background radiation increasing distances between galaxies both of the above 3 points question 7 a may become large enough to collapse under its own gravity and form a star. galaxy nebula black hole 3 points question 8 a is a massive object with a gravitational effect so strong that even light cannot escape it. black hole galaxy nebula 3 points question 9 black holes light and are invisible to our eyes. emit absorb radiate 3 points question 10 a star enters the red giant stage when it runs out of helium hydrogen carbon 3 points question 11 which stage of a star’s life cycle represents a time of converting hydrogen to helium in the core? red giant main sequence white dwarf 3 points question 12 in which stage does a star burn helium and convert it to carbon? white dwarf main sequence red giant 3 points question 13 a white dwarf is a core left behind by a main sequence star. hydrogen helium carbon 3 points question 14 which stage follows a main sequence star? red giant white dwarf protostar

Answers: 2

Предмет

Chemistry, 21.08.2019 10:10, bburpee1

The two most abundant elements in the universe are: a. hydrogen and oxygen c. hydrogen and helium b. oxygen and nitrogen d. carbon and oxygen

Answers: 1

Предмет

Chemistry, 05.10.2019 12:00, bnn29

Most atoms in the universe are of the element helium oxygen hydrogen carbon

Answers: 1

Do you know the correct answer?

What is the most abundant element in the universe?
a. helium
b. hydrogen
c. carbo...

Questions in other subjects:

Konu

Biology, 18.03.2021 01:10

Write a letter about saving ocean pollution...

Konu

Biology, 18.03.2021 01:10

How would an increase in the global surface air temperature affect the water cycle?

Konu

History, 18.03.2021 01:10

What idea was the cause of anger and frustration in Austria-Hungary before WWI? A. nationalism B. Imperialism C. Capitalism D. Communism...

Konu

Health, 18.03.2021 01:10

Her: But i would die with out you!! Him: Then die...

Konu

English, 18.03.2021 01:10

After reading pages 70-76 of the PDF of The Immortal Life of Henrietta Lacks, please isolate a quote which, to you, illustrates a central idea of the text. After recording the quot...

Konu

Mathematics, 18.03.2021 01:10

How is adding two negative fractions similar to adding two negative integers?...

Konu

Physics, 18.03.2021 01:10

Once a space shuttle returned to the earths atmosphere which force helps the shuttle return to the earth surface...

Konu

Business, 18.03.2021 01:10

If the allowance method is used, how do the two entries recorded in connection with the recovery of an uncollectible account affect the elements of the financial statements? (Hint:...

Konu

Mathematics, 18.03.2021 01:10

Stacy borrowed 22 books from the library this summer. She read three books each week, and at the end of the summer, there were 4 books she hadn’t read. How many weeks did Stacy rea...

Konu

Mathematics, 18.03.2021 01:10

Find the area devoted to each type of flower. Please help ...

Other tasks in the category: Physics More task