Answers: 1
Biology, 21.06.2019 18:00
The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community
Answers: 2
Biology, 21.06.2019 22:30
Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into
Answers: 1
Biology, 21.06.2019 22:40
Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.
Answers: 1
Biology, 22.06.2019 06:30
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
Answers: 3
How long did it take for the human population on earth to go from two billion to six billion? less...
Biology, 27.07.2019 01:00
Biology, 27.07.2019 01:00
Social Studies, 27.07.2019 01:00
Social Studies, 27.07.2019 01:00
Biology, 27.07.2019 01:00
History, 27.07.2019 01:00
History, 27.07.2019 01:00
Mathematics, 27.07.2019 01:00
Mathematics, 27.07.2019 01:00
Social Studies, 27.07.2019 01:00