Which of these has an exoskeleton?

a. tree

b. deer

c. elephant

d. crab?

How many of the following compounds are soluble in water? Cu (OH) 2

The process of using dna to produce complementary rna molecules is called

Aqueous hydrochloric acid will react with solid sodium hydroxide to produce aqueous sodium chloride and liquid water. Suppose 34. g of hydrochloric acid is mixed with 9.30 g of sodium hydroxide.

If the passing of five half-lives leaves 25.0 mg of a strontium-90 sample, how much was present in the beginning

H2 (g) + I2 (g) ↔2HI (g) + heat. If more I2 is added, in what direction will the equilibrium shift? Group of answer choices

Which earth cycle does the suns energy drive

How many moles are in 10 grams of CaCl2?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of

Why are the elements in groups 3 to 12 often used to make dyes?

What is not needed for corrosion of metals? a. oxygen c. water b. ions d. sunlight