Answers: 3
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 22:00
According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..
Answers: 1
Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
Answers: 1
Biology, 22.06.2019 07:30
Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra
Answers: 1
What are the differncrs between a mans penis and a womans breast?...
Medicine, 14.12.2021 22:10
Mathematics, 14.12.2021 22:10
Mathematics, 14.12.2021 22:10
Biology, 14.12.2021 22:10
Chemistry, 14.12.2021 22:20
Mathematics, 14.12.2021 22:20
Health, 14.12.2021 22:20