Raised areas created by cuts into a gun barrel are called what? 1.Orifling
2.grooves
3.lands
4. bores

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

i think the answer is 95 hope this

the answer is 100% density i've answered this question before and done the quiz myself.

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.