Tommy’s class is investigating soil conservation with his classmate. He believes that soil is just dirt and has no importance to humans on earth. Tommy’s teacher selects four students to respond to Tommy’s claim. Which statement best refutes (disagrees with) Tommy’s claim about soil?
A.
Student A says soil is a vital for life on earth because it contains small mineral fragments and flowers.
B.
Student B says soil is a vital for life on earth because it contains small mineral fragments, inorganic material, water, and air that can support the growth of vegetation.
C.
Student D says soil is a vital for life on earth because it contains small mineral fragments, inorganic material and flowers.
D.
Student C says soil is a vital for life on earth because it contains small mineral fragments, organic material, water, and air that can support the growth of vegetation.
Answers: 1
Chemistry, 23.06.2019 06:20, ratpizza
Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table
Answers: 1
Chemistry, 23.06.2019 10:30, EstherAbuwaah
Identify the limiting reactant when 9.65-g h2so4 reacts with 6.10-g of naoh. the equation is h2s04 + 2naoh = 2h2o + na2so4• what is the theoretical yield of na2so4, in grams? • how much of the excess reagent will remain after the reaction has been completed? • if 10.5-g of na2so4 are actually recovered experimentally, what is the percent yield?
Answers: 3
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