Explain the characteristics scientists use when
observing organisms and placing them in the six
kingdoms.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

What does the symbol (–hfus) indicate in a phase change?