What is the age of the oldest rock that has been found and dated?

A) 3 billion years

B) 3.5 billion years

C) 4 billion years

D) 4.5 billion years

Which period occurred 360 to 286 million years ago? 1. Cambrian 2. Carboniferous 3. Devonian 4. Silurian

When did virus evolve?

The half-life of Carbon-14 is approximately 5,700 years. Using this information scientists have been able to determine the age of some artifacts left by humans.

Florida is not close the edge of a tectonic plate. Therefore, which of the following features does NOT exist in or beneath Florida? A. crust B. mantle C. tectonic plate D. tectonic plate boundary

The blue lobster is a rare form that results from the overproduction of a certain protein, resulting in genetic variations in lobster coloring.

Penicillin is hydrolyzed and thereby rendered inactive by penicillinase (also known as b-lactamase), an enzyme present in some penicillin - resistant bacteria. the mass of this enzyme in staphylococcus aureus is 29.6 kd.

Which of these accurately describes a scientific theory? Select one: A. Theories are statements that describe some aspect of the universe. B. Theories are broad explanations based on many observations and experimer C.

Which Scientists Gave Cells their name while observing cork under a microscope

What. System rid the body of carbon dioxide?

What is the process of mountain building called