The answers to these questions ?

1. Lactose, H2O, and lactase.

2. Galactose and glucose.

3. You converted lactose, H2O, and lactase into galactose and glucose.

Explanation:

I don't know about the last one so I would do that one yourself because we can't see what the reaction was from.

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles