Question

1. define the word part kali-.

sour or acid
potassium
stone
an opening

1. what do the word parts litho-, petro- and lapio- mean?

milk
liver
twisted
stone

Explanation:

The word - part "kali -" is a chemical prefix for potassium. The word - parts "litho -", "petro -", and "lapio -" are related to stone in medical and scientific terminology.

Answer:

1. potassium
2. Stone