What do nebulae have the most in common with? a) sun b) earth c) comets d) the moon

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.