365floresgiselle 365floresgiselle

20-01-2015
Social Studies

contestada

My 1st question is :Why don't you hear echoes in a forest ??

My 2nd question is :In which material would sound waves probably travel the fastest?A.cotton B.milk C.iron D.oxygen

Respuesta :

SpookyScarySkeltons SpookyScarySkeltons

20-01-2015

1: Because the forest is an open area, the forest is not a closed area so that means the sound your voice produces can not bounce off trees and other objects that are not enclosed.

2: I would personally say D

Answer Link

Otras preguntas

What is the purpose of an adjective? a. to modify a noun b. to change a verb tense c. to modify a verb d. to replace a noun

solve this eqution with work please also show work solve for x and y x=-y+5 y=-3x+3

if α and β are the zeroes of a quadratic polynomial x²+x-2 then find the value of (α/β+2) (β/α+2)

What are the approximate solutions of 2x^2-x+10=0?

In what stage of wastewater treatment is 90 percent of the oxygen-demanding substances removed from the waste by microbes? primary treatment. secondary treatmen

which of the following best describes the graph shown below?

Help !!! Urgent! Please.

can someone help for all of them or at least a few like three? Thnx.

There are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic information. choose the statemen

A _____ occurs when there is a water shortage and it has not rained for some time, while a _____ occurs when too much water flows into an area. hurricane, droug