No machine can achieve 100% efficiency in terms of work output. In any mechanical system, what is considered the most common cause for some of the work being turned into thermal energy?

Each pea plant has a gene that determines seed color. One version of the gene is for green seed color, and the other version of the gene is for yellow seed color.

Why does too much carbon in the atmosphere cause a problem?

Factor being changed by the person doing the experiment in a controlled study is called

Why do deciduous trees lose their leaves? a. Deciduous trees lose their leaves to prevent oxygen loss. b. Deciduous trees lose their leaves to defend from predators. c. Deciduous trees lose their leaves to prevent nutrient and water loss. d.

Which term defines a well tested, scientifically supported statement that explains how something works? A. hypothesis B. law C. observation D. theory

How does oxidation weather rocks?

In an asexually reproducing organism it is expected that the offspring will be genetically identical to the parent. However, in one particular event of asexual reproduction the offspring was found to be differing from the parent.

Why does beer boil at a lower temperture than tap water?

Which statements describe Rutherford's model of the atom? Select three options -the atom is mostly empty space -the atom cannot be divided into smaller particles -electrons orbit around the center of the atom -the atom's positive charge is located

What are the 4 functions of the cell membrane