1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Romashka-Z-Leto [24]
3 years ago
13

What percentage of the mass of the solar nebula consisted of elements other than hydrogen and helium?

Physics
2 answers:
Korvikt [17]3 years ago
6 0

Answer:

2%

Explanation:

75% of the mass contains hydrogen 25% helium and all other elements comprising only of 2%

neonofarm [45]3 years ago
5 0

Answer:

C. 2 percent.

Explanation:

75% of the mass in the form of hydrogen

25% as helium

All other elements comprising only 2% of the total

Assume mass of the solar nebula = 100

Remaining % = 2%

You might be interested in
Explain how a voltage is produced in the secondary coil of the transformer.
Tema [17]

Answer:

the primary coil current produces a magnetic field, which changes as the current changes. the iron core increases the strength of the magnetic field. the changing magnetic field induces a changing potential difference (voltage) in the secondary coil.

4 0
2 years ago
I lost 1 point on this and I don’t know what I did wrong.
Viktor [21]

Answer:

i think its because u gave the almost every answer the same exact thing. all the questions have different ways of moving which means different forces for each one i hope this helps :)

Explanation:

4 0
4 years ago
Read 2 more answers
Statements about isotopes
Iteru [2.4K]

Answer:

Key Takeaways: Isotopes

Isotopes are samples of an element with different numbers of neutrons in their atoms.

The number of protons for different isotopes of an element does not change.

Not all isotopes are radioactive. Stable isotopes either never decay or else decay very slowly. ...

When an isotope decays, the starting material is the parent isotope.

Explanation:

8 0
3 years ago
A member of the cross country team is training for the big race. She runs 7.85 km one afternoon. How many miles is this?​
allsm [11]

Answer:

4.88 miles

Explanation:

7.85km * (.621miles/km) = 4.88 miles

8 0
3 years ago
What is a risk of using chemical pesticides on crops?
irakobra [83]

Answer:

a. chemical contamination of streams ans rivers

d. adaptation

4 0
3 years ago
Other questions:
  • ADAM TAKES THE BUS ON SCHOOL FIELD TRIP. THE BUS ROUTE ITS SPLIT INTO 5 LEGS.
    15·1 answer
  • What happens to the efficiency of a ramp if friction is reduced?
    8·1 answer
  • The magnetic field in the region between the poles of an electromagnet is uniform at any time, but is increasing at the rate of
    13·1 answer
  • A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The trains collide. After the collisi
    15·2 answers
  • Oil explorers set off explosives to make loud sounds, then listen for the echoes from underground oil deposits. Geologists suspe
    14·2 answers
  • Two forces (4N and 3N) pull your the left, while a 12N force pulls to the right. What is the net force
    8·1 answer
  • Which of these objects has memetic energy
    12·1 answer
  • Describe an example of acceleration and explain how velocity is changing.
    14·2 answers
  • A camera has a lens which is a curved piece of glass. This lens takes the beams of light from an object and redirects it to form
    8·1 answer
  • A force of 85 N is used to push a box along the floor a distance of 15 m. How much work was done?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!