Bella observes that the gas-filled tire of her bicycle becomes a little deflated when she keeps the bicycle outside in cold weather. which of the following laws is used to understand the behavior of the gas and why? the low temperature outside lowers the volume of the gas according to charles's law because this law describes how a gas will behave at constant pressure. the low temperature outside increases the volume of the gas according to charles's law because this law describes how a gas will behave at constant pressure. the low temperature outside lowers the volume of the gas according to boyle's law because this law describes how a gas will behave when the number of moles remains constant. the low temperature outside increases the volume of the gas according to boyle's law because this law describes how a gas will behave when the number of moles remains constant.