« previous next »

Author Question: The two most plentiful elements in the universe are A) hydrogen and oxygen. B) nitrogen and ... (Read 88 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 29, 2018
The two most plentiful elements in the universe are
 
  A) hydrogen and oxygen.
  B) nitrogen and helium.
  C) carbon and oxygen.
  D) lithium and helium.
  E) hydrogen and helium.

Question 2

You ride a motor scooter 8 km in 10 minutes. Your speed is
 
  A) 24 km/hr.
  B) 40 km/hr.
  C) 16 km/hr.
  D) 32 km/hr.
  E) None of the above.


Tonny

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Differences in oxygen-hemoglobin dissociation curves under different physiological conditions and am Differences in oxygen-hemoglobin dissociation curves under different physiological conditions and am
Oxygen Equipment 1 Oxygen Equipment 1
Energy Level Diagram of Hydrogen Energy Level Diagram of Hydrogen
Big Picture of the Evolution of the Universe Big Picture of the Evolution of the Universe
Soil is a crucial part of the nitrogen cycle Soil is a crucial part of the nitrogen cycle
Major Elements of the Genitourinary System Major Elements of the Genitourinary System
Video: Leukemia

For a complete list of videos, visit our video library