the table shows the mass and melting point of some substances.
(picture is of the table)
part 1: what will be the values of w and y for 1 kg of each substance?
part 2: explain your answer for part 1.

This is a new idea, more effective device or process.this an be viewed as the application of better solutions that meet new requirements, inarticulated needs, or existing market needs. what's the term?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent