Matching 19. Molds and Casts 20. Freezing
21. Imprint
22. Petrification
23. Amber

a. remains turn to solid rock
b. shows space once occupied by organism
c. often preserves entire insect bodies
d. can show things like foot prints
e. preserves entire animals (Wooly Mammoth)

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)