Which change to the word dog does not model a mutation in dna?

a. the letter u is added between the o and the g.

b. the letter d is replaced with the letter h.

c. the letter g is removed.

d. the letter g is written backward.

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar