Jeff finds a pond during a nature walk, and he has some questions based on his observations of the pond. Which question can he answer through a scientific investigation?

do

O Which organisms are part of the food web in the pond?

O How much money should be spent to make the pond more attractive?

Which pond animals would make the best pets?

O Which plants in the pond are the prettiest in summer?

Mark this and retum

Save and Exit

ex

Suome

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Hey can you me with this i really need y’all

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.