Where do you think they found fossil evidence of simple land plants and amphibians

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

What is the inability of an individual or a society to achieve a minimum standard of living known as ?