Biology, 24.03.2020 21:44, deadlydazy13
This dinosaur lived long ago on Earth in a tropical climate. The dinosaurs were killed and became extinct because of a change in climate. That new climate was called an ice age. What type of fossil would we find that would support the theory that Earth experienced an ice age?
A) A
B) B
C) C
D) D
Answers: 2
Biology, 22.06.2019 10:00, nyasiasaunders1234
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. oneโway valves in veins c. thin muscular walls of veins
Answers: 2
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