« previous next »

Author Question: During sublimation A) water molecules change their basic structure. B) water molecules condense ... (Read 269 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
on: Jul 16, 2018
During sublimation
 
  A) water molecules change their basic structure.
  B) water molecules condense to form a liquid.
  C) additional oxygen is added to water.
  D) water changes from a solid directly to a gaseous form.

Question 2

Compact florescent and LED bulbs are designed to
 
  A) produce more light than normal bulbs.
  B) use less electricity than incandescent bulbs to produce light.
  C) be powered by heat from CHP technology.
  D) turn off automatically when no people are in a room.


macybarnes

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Relationships between direction of flow of blood and water or air in different vertebrates. Relationships between direction of flow of blood and water or air in different vertebrates.
Structure of a typical plant cell Structure of a typical plant cell
concept map : atoms and molecules concept map : atoms and molecules
Is breathing water dangerous? How do you know? Is breathing water dangerous? How do you know?
Dipole interaction of E. coli enzyme structure Dipole interaction of E. coli enzyme structure
Water Molecule Water Molecule
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

For a complete list of videos, visit our video library