Answer:
Models 1 and 2 would be in the same group.
Explanation:
They have the same amount of valence electrons. Valence electrons are electrons in the outermost electron cloud. This means they have the same properties, therefore are in the same Group on the periodic table.
Answer:
B. is the answer
Explanation:
Energy in form of heat is transferred from the warmer mashed potatoes to the cooler spoon.
The processes that experience energy loss included the following: FREEZING, CONDENSATION AND DEPOSITION.
Energy loss occurs in these processes because the kinetic energy of the particles decreases as a result of the change in state that they undergo. For instance, for the process of freezing, a substance has to change from the liquid state to the solid state. The amount of kinetic energy that is available to the particles of the liquid is more than that of the solid, thus, the particles are losing some kinetic energy.
The processes that experience energy gains are: SUBLIMATION, EVAPORATION AND MELTING. These processes move from a state of lower kinetic energy to that of higher kinetic energy.
He should buy the sander in store, this way it will be available for when he needs it.
Answer:
1. Animals are multicellular.
2. Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances.
3. Animals typically reproduce sexually.
4. Animals are made up of cells that do not have cell walls.
5. Animals are capable of motion in some stage of their lives.
6. Animals are able to respond quickly to external stimuli as a result of nerve cells, muscle or contractile tissue, or both.
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