C. A controlled experiment is an experiment in which only one variable is changed at a time. Why is it important to do a controlled experiment in order to determine how a
variable, such as water, light, or temperature, affects seed germination rates?

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?