8. Which are types of systems? (Choose all that apply) Isolated system
Closed system
Open system
Shared system

Explanation:

In thermodynamics, there are three types of systems and they include:

The closed system is capable of exchanging only energy within its surroundings.

An open system is capable of exchanging both energy and matter within its surroundings.

While an isolated system cannot exchange either matter or energy within its surroundings.

There is nothing like a shared system in thermodynamics.

can you list the answers so i can answer

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.