Aballoon filled with helium has a volume of 0.50 m3 at 21°c assuming the pressure and mass remain constant what volume will the balloon occupy at 0°c

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

Which organism can most likely be classifild as domain bateria