Choose the abiotic factors that characterize the tundra biome.

A. very low temperatures, very little precipitation

B. warm, wet forests

C. arctic foxes, wolves, snowy owls

D. very little rainfall, extreme temperatures

What is an oxidizing agent? O A. A substance that oxidizes another substance O B. A substance that is oxidized in a reaction O C. A substance that reduces another substance O D. The product of an oxidation reaction SUBN

What is the concentration of H + ions in a solution of HCL that was prepared by diluting 35. O mL of concentrated (11.6 M) HCl to a final volume of 500 mL

A model of an oxygen atom is shown below. What's the electrical charge of this ion. Hint a neutral oxygen atom has 8 protons and 8 electrons

Which statement describes streak? Streak refers to the way light is reflected by a mineral. Streak is the least accurate way to identify minerals. * Streak is tested by scraping a mineral across a streak plate.

Which of these elements is a halogen? potassium (K) calcium (Ca) vanadium (V) gallium (Ga) bromine (Br)

Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space it will need.

Which of the following is not a producer? Mushroom Tulip Grass Pine Tree

Phosphorus forms a number of oxohalides, x3po, in which x may be a f, cl, or br atom. the most common of these, phosphoryl chloride, is obtained as follows:

Which statement is true about the speed of light waves in a medium? a. Depends on the temperature of the light wave b. Decreases with a decrease in density of medium c. Decreases with an increase in density of medium d.

What's a certain indicator that a molecule is polar? the molecule has a nonpolar covalent bond and the dipole is cancelled due to symmetrical arrangement of atoms the molecule has a polar covalent bond and the dipole is cancelled due to symmetrical