Answer:
quarks can't be broken down into smaller components, making them the smallest things we know of.
Explanation:
Answer: 2)
A mnemonic device
Explanation: A mnemonic is a tool or memory aid that helps people to remember or memorize things easily. It helps you to remember an idea or phrase with a pattern of letters, numbers, or relatable associations. Mnemonic devices may include special rhymes and poems, acronyms, images, songs, outlines, and other tools. In the question Luke makes up a sentence using the first letter from each base as the first letters for his words, repeating to himself to help him remember more easily the bases of DNA. In other words Luke formed mnemonics using the first letters of the DNA bases to remember them easily.
B. Protein rich beans. The salads need to have protein in order to maintain a healthy diet.
The Childbirth delivery options include natural unassisted childbirth, assisted childbirth, and delivery by C-section (Cesarean surgery)