Cell , tissue , organ, organ systems , organism
Answer:
Atoms have three particles: protons, electrons, and neutrons. The nucleus contains protons and neutrons. The outside regions of the atom are called the electron shells and have electrons.
Explanation:
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I have to say airborne infections. If the infection is airborne it can travel and infect many people more quickly and wide spread.
The eggs begin to hatch after 12 days (sometimes as late as 16 days). Both parents feed the chicks until they fledge after between 12 and 15 days, and the chicks are fed for another week after fledging. They will then repeat what the would do having eggs with a mate and then eventually die.
Answer:
The carbon has 6 protons
Explanation:
The atomic number equals the quantity of protons and electrons in a neutral element.
