mi7rakimnomBrieMach mi7rakimnomBrieMach

24-02-2017
Physics

contestada

Sound waves can't travel through
a. a solid.
b. an elastic material.
c. a vacuum.
d. a liquid.

Respuesta :

24-02-2017

Sound waves can't travel through a vacuum.

Answer Link

Otras preguntas

Which sentence is punctuated correctly? A. Warning this cabinet, contains dangerous electrical equipment. B. Warning; This cabinet contains dangerous electric

Which statement BEST sums up the theme of Frankenstein? A. People should continue to progress toward scientific exploration and innovation at all costs. B.

I need help with this question

Scientists have genetically engineered crops such as corn, cotton, and soybeans. Which of the following statements about genetically modified crops is true? Cr

What is the volume of a sugar cube that measures 1 cm on each side? what is the cross-sectional area of the cube? the total surface area?

Some argue that hydroelectric power should be used to generate more energy for the united states. which argument could be used to dispute this idea?

A solid has faces that consist of 5 congruent squares and 4 congruent equilateral triangles. The solid has 9 vertices. How many edges does the solid have

Which method of gathering data will be most effective in learning how diet and fitness choices affect long-term health?

The diagram shows the shape of a plot of land that Maria will use for her garden. She needs to know the length of each side so she can buy fencing. What is the

There are 45 questions on allison's English test. The multiple choice questions are worth 2 points each, and the short answers are worth 5 points each. The enti