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 21:20
Which codon is the code for the amino acid histidine (his)?
Answers: 1
Biology, 21.06.2019 22:00
How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
Answers: 1
Biology, 22.06.2019 12:30
If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge
Answers: 1
What are Reactants and Products of anaerobic Respiration...
Social Studies, 30.11.2019 21:31
Mathematics, 30.11.2019 21:31
Mathematics, 30.11.2019 21:31
Mathematics, 30.11.2019 21:31
Mathematics, 30.11.2019 21:31
English, 30.11.2019 21:31
Mathematics, 30.11.2019 21:31