Which of the following would not be considered a solution a) sand in water b) sugar dissolved in water c) vinegar mixed with water d) seawater

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 ?

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse

What is the popular use of lithium batteries