---

---

Select your answer:
         

Next Quiz >

Topics:

Nervous System Functioning Biological Molecules Orthopaedic Neurology Nature of Science Cancer & Cell Cycle Prehabilitation and Conditioning Homeostasis - Vision Correction Parts of the Skin Vascular Surgery Vocabulary Gaseous Exchange in Humans Hormones Heredity and Living Cells Iron Kinetics Genetics: Viruses and Bacteria

Other quiz:

Psychology › View

What is a theory?

A. a guess on how something works

B. a tested conclusion accepted as true

C. a story explaining how the world works

D. an assumption

---

Biochemistry Vocabulary › View

Atom

A. a land region on the earth’s surface covered by biological communities that group under the same climatic patterns like rainfall and temperature.

B. the descriptive and conceptual findings collected through questionnaires, interviews, or observation

C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.

D. an element that remains unchanged or unaffected by other variables. It’s used as a benchmark or a point of comparison against which other test results are measured.

---