Biology, 18.11.2020 18:20 diyagawande
The Grand Canyon is made of sedimentary rock that contains fossils up to 1 billion years old. The most commonly found fossils in the Grand Canyon are sea organisms (crinoids, brachiopods, and sponges). However, several upper layers of rock contain terrestrial, or land-based, fossils, such as dragonfly wing impressions and the footprints of scorpions, centipedes, and reptiles. What do these fossils tell us about the evolution of the geosphere at the Grand Canyon?
Answers: 3
Biology, 21.06.2019 20:20, AvantiA
Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o
Answers: 1
Biology, 22.06.2019 06:00, Nathaliasmiles
Onsider the paragraph above. what is one chemical property of water? a) water is a polar molecule. b) water is the universal solvent. c) water reacts with group 1 metals. d) water has a high specific heat capacity.
Answers: 1
The Grand Canyon is made of sedimentary rock that contains fossils up to 1 billion years old. The mo...
Computers and Technology, 17.06.2020 00:57