A car that travels at a speed of 20 m/s and has a mass of 1200 kg. use the formula. 1/2 mv^2
sig figs are included​

Tolerance to high levels of salinity

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

The answer is 65.3312