Carbon (C) is an element
Carbon Dioxide (CO2) is a compound
Hydrogen (H) is an element
Sodium Chloride (NaCl) is a compound
A good way to tell whether something is a compound or an element, is that in a compound there is a mixture of different elements. Like in Carbon Dioxide, the symbol is CO2. This shows the carbon (C) and oxygen (O) together. I hope i worded that well enough and this helps :)
Just guess, sorry im lazy..or just wait for better help XD
A decrease in the the prey population
Answer:
constant temperature, the volume of a gas sample is inversely proportional to the pressure.
Pressure: P1 = 0.980 atm
Volume: V1 = 6.20 L
Explanation:
I hope this answer helps
