what layer would you find these elements? 46.6% oxygen (o) 27.7% silicon (si) 8.1% aluminum (al) 5.0% iron (fe) 3.6% calcium (ca) 2.8% sodium (na) 2.6% potassium (k) 2.1% magnesium (mg)

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

Which specimen would best be viewed using a compound light microscope?