Which statement best explains why obsidian has a smooth glassy surface but basalt has a rough surface? a. obsidian is formed due to compaction and basalt is formed due to weathering. b. obsidian allows less crystal growth than basalt because it cools more rapidly than basalt. c. basalt is more easily eroded than obsidian because it is formed at a lower temperature than obsidian. d. basalt is formed from the erosion of sediments and obsidian is formed due to the metamorphosis of rocks.
Answers: 2
Chemistry, 22.06.2019 07:30
Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
Answers: 1
Chemistry, 22.06.2019 11:00
The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?
Answers: 1
Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
Chemistry, 23.06.2019 03:30
If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
Answers: 1
Which statement best explains why obsidian has a smooth glassy surface but basalt has a rough surfac...
Mathematics, 13.01.2020 05:31
History, 13.01.2020 05:31
English, 13.01.2020 05:31
Mathematics, 13.01.2020 05:31
History, 13.01.2020 05:31
Mathematics, 13.01.2020 05:31
Mathematics, 13.01.2020 05:31
Physics, 13.01.2020 05:31
Mathematics, 13.01.2020 05:31