The diagram below shows an undisturbed rock. a rock sample is shown with four layers marked a, b, c, d from top to bottom. which layer is likely to have the remains of an organism least similar to the organism's present-day form?

Which of the four major uses is predicted to change the least by 2020?

When water freezes, it . contracts expands

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations