Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

erika28

Why do scientists believe that dark matter exists even though it cannot be seen? a. We can observe its gravitational effects. b. It is observed to emit light. c. We can measure its mass

  • one year ago
  • one year ago

  • This Question is Open
  1. shivamsinha
    Best Response
    You've already chosen the best response.
    Medals 0

    wrong place dear!!

    • one year ago
  2. shivamsinha
    Best Response
    You've already chosen the best response.
    Medals 0

    post specific questions in specific group

    • one year ago
  3. erika28
    Best Response
    You've already chosen the best response.
    Medals 0

    oopps my my bad didnt even notice xD

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.