Answer:
16) true
17) true
18) true
19) false all mass extinctions marks the end of the Cretaceous Period.
20) true
21)not sure but here is some reasons students discovered that living things can die and decay. Soft parts are more likely to decay than hard parts. For this reason, the most common fossils are bones, teeth, shells, and the woody stems of plants.
22) true
23) eukaryotes have nucleus and prokaryotes doesn't.
24) true
25)true they evolved from eohippus
Answer: Two characteristics define brightness: luminosity and magnitude. ... The size of the star and its surface temperature determine its luminosity. Apparent magnitude of a star is its perceived brightness, factoring in size and distance, while absolute magnitude is its true brightness irrespective of its distance from earth.
Explanation:
Answer:
4.22
Explanation:
pH scale ranges from 0-14. 0-7 being the acidic range with 0 being the most acidic, 7 -14 is the basic range with 14 being the most basic.
15. Cytoskeleton
16. Cilia
17. Golgi Apparatus
18. Smooth
19. Lysosome
20. Eukaryotes
21. Flagellum
