You throw a 0.15 kg baseball to the first baseman. The ball travels with a speed of 36 m/s. How much kinetic energy does it have?

options:

97.2

4.5

15,897

658

Imagine you do a an experiment to find out how soil moisture affects seedling growth and you plant seeds in soils with 3 different moisture values. What is your independent variable? *number of seeds *soil moisture *number of soil types

Mike examines a cell using a microscope. He finds chloroplasts within the cell. Where is this cell most likely to have come from? A.) Mushroom B.) Dog C.) Tree D.) Human

During which phase of mitosis do the chromatids become chromosomes? a. telophase. b. anaphase. c. prophase. d. metaphase

Which is a limitation of comparative investigations? A) They give results that are usually not repeatable by other scientists. B) They might show variable relationships that are not actually cause and effect.

how do the number of chromosomes in a female scorpions egg cells compare with the number in her body (somatic) cells

What is a solution? what happens when table salt and water form solution?

The hygrometer must be calibrated before it is used. How might this be done?

A plant cell contains 78% water and 22% sugar. It is watered with a solution of 76% water and 24% sugar. What will happen to the percent of water inside the plant cells?

Which of the following explains why your body may contain a carbon atom that was present in George Washington's body in 1776? A. Carbon moves in a one-way direction through living organisms only. B.

Eukaryotic cells contain organelles that harvest energy from organic compounds to make atp. atp is the main form of energy used by cells. which cell organelles are responsible for making most of the cell's atp?