2. This chart describes several characteristics of human civilizations.
(6.04)
Characteristic...
Chemistry, 18.03.2021 20:20 hannahelisabeth19
2. This chart describes several characteristics of human civilizations.
(6.04)
Characteristics of Human Civilizations
Stable Food Supply
?
Developed Systems of Writing
Which phrase best completes this list?
A. Created militaries
B. Complex social structures
C. Use of fire for protection
D. Declining population
Answers: 2
Chemistry, 21.06.2019 20:30
The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?
Answers: 3
Chemistry, 22.06.2019 15:30
The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
Answers: 1
Chemistry, 22.06.2019 16:30
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
Chemistry, 22.06.2019 17:30
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
Mathematics, 08.03.2021 22:20
Social Studies, 08.03.2021 22:20
Physics, 08.03.2021 22:20
Mathematics, 08.03.2021 22:20
Physics, 08.03.2021 22:20
Arts, 08.03.2021 22:20
Mathematics, 08.03.2021 22:20
Arts, 08.03.2021 22:20
Mathematics, 08.03.2021 22:20
Physics, 08.03.2021 22:20