Author Question: Where is dark matter found in the periodic table? A) within the noble gas elements B) the ... (Read 55 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
Where is dark matter found in the periodic table?
 
  A) within the noble gas elements
  B) the transition metals
  C) all radioactive elements
  D) no where at all

Question 2

Evidence for dark matter is exhibited by the
 
  A) relatively similar speeds at which all stars in a galaxy orbit the galactic nucleus.
  B) speed at which galaxies orbit one another within clusters.
  C) degree to which galaxy clusters exhibit gravitational lensing effects.
  D) All of the above



patma1981

  • Sr. Member
  • ****
  • Posts: 292
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library