Why was sputnik important?

Why does it make sense for scientists to study just one variable at a time in an experiment?

Also called a longitudinal wave, they are waves shoes direction of vibration is the same as their direction of travel. They produce compression and rare fraction when traveling through a medium

How many neutrons does the most common isotope of uranium have

A. All living things are made out of cells B. Cells are the smallest unit of life C. All cells have a nucleus and chloroplasts D. All cells come from other cells. Which of the above statements is NOT part of the Cell Theory? How do you know?

Where does a new plant get the energy it needs to grow when it first germinates?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.