Which of the following will decrease the pressure of a gas in a closed container? A. increasing the number of molecules
B. increasing the amount of light
C. increasing the temperature
D. increasing the volume

please answer asap thank you :))

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.