What would happen if living things couldn't reproduce

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Which element would mostly likely have an electron affinity measuring closest to zero

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?