"Spec", or the variation "specs" is the Latin word for "see". The word "spectator" means "someone who watches".
Answer:
Last option
Explanation:
Mitochondria because they are smaller than cells and have membranes
Answer:
Ribose and Deoxyribose.
Explanation:
They are both important components of nucleotides, and are found in RNA and DNA.
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The primary function of the respiratory system is to supply blood with oxygen
Answer:
10 H atoms combine with 5 oxygen to form 5 water molecules.
Explanation:
those substances which having low boiling point or low melting point such as water they form covalent bond.
Covalent bonds form between non-metal atoms. Each bond consists of a shared pair of electrons, and is very strong. Simple molecular substances and giant covalent structures have different properties.
