What is the name of the deepest layer of Earth, which is made of solid metals?

A - Outer core

B - Inner core

C - Mantle

D - Crust

What happens when a sodium atom that has lost an electron comes near a chlorine atom that has gained an electron?

What is the largest in the main artery of the circulatory system

In one butterfly species, the colors of individuals range from white to black, with many shades of gray in between. If the butterflies in a mountain population become more and more similar in color over several generations (e. g.

What are the reactants for cellular respiration? A. H2O and O2 B. Glucose and O2 C. Glucose and CO2 D. H2O and CO

Angiotensin II causes: decreased heart rate, vasoconstriction, and increased urine formation. vasoconstriction, increased urine formation, and decreased thirst. increased heart rate, vasodilation, and less urine formation.

Splitting cells involves creating a single by combining two or more

Think about the sources you would use to get information about scientific ideas. Which sources would you avoid? Check all that apply. a magazine an encyclopedia a scientific journal an advertisement a TV show

What is the polymer for nucleotides

The 2 kinds of glaciers are called a. continental, valley c. till and kettle b. continent, mountain d. plucking and moraine

Does the lymphatic system produces eggs and protects the fetus