What is the mass of the gas that exactly fills a 190 ml container the density of the gas is 4.5g/ml

How would the function of synovial joints be changed if they lacked joint cavities and the bones were united instead?

Ascientist publishes a paper that states the changes in the levels of gases in the atmosphere of a moon of saturn indicate that there may be terrestrial life on the moon. which statement correctly answers whether the question of alien life on this moon is scientific?

What determines the genotype or an organism