What causes the variations in Earth's precipitation during the course of a year or from year to year at a given location?

Identify the subatomic particle that is NOT contained in the nucleus

Is your ear canal connected to your brain?

1. A new prokaryotic, unicellular organism is discovered in hot sulfur springs. Scientists will most likely classify this new organism in which of the following kingdoms? A. Kingdom Protista B. Kingdom Eubacteria C. Kingdom Fungi D.

What is the difference between a unicellular and multicellular organism? what is the difference between a eukaryotic cell and a prokaryotic cell? which usually goes with which, but what is the exception?

Which of the following statements is true? a. Biotic factors are nonliving components of an ecosystem. b. Abiotic factors are living components of an ecosystem. c. The available space in an ecosystem is an abiotic limiting factor. d.

Which Of These Body Systems Is Made Up Of The Tissues And Organs Responsible For Collecting Fluid That Leaks From The Blood And Returning It TO The Blood A. Excretory system B. Cardiovascular system C. Endocrine system D. Lymphatic system

Some regions of earth are more likely to have earthquakes, volcanoes, or hot springs than other regions. What do these places most likely have in common?

Select the correct answer. How much solar radiation is reflected back by clouds? A. 5 percent OB. 10 percent C. 19 percent D. 30 percent

Is gases (carbon dioxide from respiration) an input or an output to the human body?

What slime-covered structures are thought by some scientists to be where the first cells might have formed?