This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Measuring the amount of deuterium in the universe allows us to set a limit on ________. A) the ... (Read 11 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Measuring the amount of deuterium in the universe allows us to set a limit on ________.
 
  A) the acceleration of the universe
  B) the total amount of mass in the universe
  C) the density of ordinary (baryonic) matter in the universe
  D) the current age of the universe

Question 2

We cannot see a new moon in our sky because ________.
 
  A) it is above the horizon during the daytime B) no sunlight is illuminating the Moon
  C) it is obscured by Earth's shadow D) a new moon is quite near the Sun in the sky


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


Redwolflake15

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Wow, this really help

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Nurse examining and measuring hematuria sample from client with a UTI Nurse examining and measuring hematuria sample from client with a UTI
Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
Two-Point Threshold Device for Measuring Touch Acuity Two-Point Threshold Device for Measuring Touch Acuity
Measuring Oxygen Saturation Measuring Oxygen Saturation
Time Line for Evolution of the Universe Time Line for Evolution of the Universe
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library