Which of the following contains both protons and neutrons?
A. outer shell
B. nucleus
C. covalent bond
D. ionic bond

covalent bond

Explanation: because when it decays depending on the decay, it can gain or get rid of protons and neutrons

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.