You are presented with the question "a black hole is formed by a what diameter star" and the following answer choices: - heat - matter - size - small - dead - nucleus - burning - deadly Now knowing that ablack hole is formed by a high-mass star collapses and bigger mass means smaller star, choose the best answer.
small

You are presented with the question "What do viruses contain?" and the following answer choices: - electromagnetic energy - light energy - resistance - contamination - Deoxyribonucleicacid - Chemical energy - harmful substances - Leptospirosis Now knowing that viruses contain DNA but not much else and dNA stands for Deoxyribonucleicacid, choose the best answer.
Deoxyribonucleicacid

You are presented with the question "what are are chemical elements that are essential for body processes" and the following answer choices: - copper - sugar - glucose - health - salts - Energy - solutes - Energy. Now knowing that minerals are chemical elements that are essential for body processes and mineral salts Of the mineral salts, iodine is of great significance, choose the best answer.
salts

You are presented with the question "Receptors in the lining of the nose are:" and the following answer choices: - heat or cold - larger than the nose - tastebuds - used to find food - insect - barrel-shaped - segmented - messengers Now knowing that smell is used for finding food by some animals and smell receptors, nerve tissue that picks up smells, are located in the lining of the nose, choose the best answer.
used to find food