A controlled experiment must A. have a dependent variable. B. have an independent variable. C. be falsifiable. D. be repeatable. E. All of the above.

What is the importance of scientific methods

What are some specific regions of the world of specific country

What are the standards that an employer of any country must fulfill to comply with the labor guidelines set by ILO?

A student formulated a hypothesis that cotton will grow larger bolls (node) if magnesium is added to added to the soil. The student has two experimental fields of cotton, one with mannesium and one without.

How do the bonding properties of carbon atoms allow for the large variety of carbon-based molecules in living things? A. Carbon atoms each form ions that bond with other ions, which allows carbon to form the organic molecules found in organisms. B.

Is it more important to be accurate or precise when doing an experiment? Discuss the purpose of an experiment and how accuracy and precision play important parts in it.

In humans, normal color vision is dominant over colorblindness. A colorblind male marries a female who is a carrier for color blindness. What is the probability that a colorblind child would be born to these parents?

What is the dependent variable? Also what is the Testing Variable.

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?