What is always included in a comparative investigation?

O a dependent variable

O an independent variable

O a hypothesis

O a scientific question

A periodic wave has a fixed pattern that repeated. What is one completion of the wave pattern called

Due to our location in the global wind belt pattern, which direction are the prevailing winds in the US?

Humans and fish brains are similar because they both have a?

how many kilograms off mercury would fill a 5litre container if the density of mercury is 13.6grams per cm3

When convection currents flow in the mantle they also move the

The four basic properties of lighting are

Which of the following is the correct SI unit to use in measuring the mass of a boulder A. ounces B. tons C. kilograms D. pounds (I'm sorry If I didn't pick the right subject!)

Which of the following can be thought of as either a wave or a particle? a. light b. an electron c. a proton d. all of the above

Universal law in effect at all times?

Elements in an blank or blank of the periodic table have similar characteristics