A helium-filled weather balloon has a volume of 811 L at 19.9°C and 752 mmHg. It is released and rises to an altitude of 4.25 km, where the pressure is 522 mmHg and the temperature is –7.1°C. The volume of the balloon at this altitude is L

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What must happen before a body cell can begin mitotic cell division

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space