What is a thery that has been proven true over time and and never disproven called

Why is it so hard to hit a fly

What's a consists of a star and all the bodies in orbit around it

What type of earthquake wave can travel through both liquids and solids? a. P waves b. Swaves c. focus waves d. surface waves

The gray matter of the spinal cord is divided into regions known as

During aerobic respiration, which of the following directly donates electrons to the electron transport chain at the lowest energy level?

Where does diffusion take place

Why are acquired traits unimportant in the process of evolution?

Imagine you are sitting with your leg at rest and free to move in all directions. An experimenter inserts an electrode into a muscle spindle stretch receptor neuron in one of your quadriceps muscles and excites (depolarizes) the cell, enough that

The building blocks of proteins are known as A. amino acids. B. euphoric acid. C. carbon dioxide. D. oxygen.

Of the following, which phrase best describes the term taxonomy? the study of the digestive system the science of classification a group of archaeans that live in deep-sea trenches