Chemistry, 09.02.2021 22:50 angel34emb
Which of the following statement is true how fossil records can produce incomplete evidence of organisms that lived on Earth?
Small plants and animals found on Earth were not fossilized.
Not all organisms that lived on Earth have been fossilized.
Large plants and animals found on Earth were not fossilized.
There are fossils that we cannot identify.
Answers: 2
Chemistry, 22.06.2019 02:50
What is the overall order of reaction for rate = k[no]2[o2]
Answers: 3
Chemistry, 22.06.2019 11:20
Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.
Answers: 2
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Which of the following statement is true how fossil records can produce incomplete evidence of organ...
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