Chemistry, 29.03.2020 18:14 perezsharisse24
The organism at point W is a bony fish. The organism at point X is a dinosaur. The organism at point Y is a trilobite. The organism at point Z is an amphibian. This diagram suggests that
A.
dinosaurs became extinct before the evolution of bony fishes.
B.
trilobites are the oldest living creatures on the planet.
C.
amphibians are common ancestors of dinosaurs and trilobites.
D.
different species were abundant at different times in Earth's history.
Answers: 1
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 02:20
Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .
Answers: 1
Chemistry, 22.06.2019 11:00
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
The organism at point W is a bony fish. The organism at point X is a dinosaur. The organism at point...
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