Calculating Percentage of Mass Remaining Use the data to calculate the percentage rernaining for
samples Y and Z to the nearest tenth of a percent.
Sample| Sample| Sample Sample
W
X
Y
Initial Mass| 80.00g |90.00g|85.00 g95.00g
Final Mass 75.00 g |87.30 g|83.30g 90. 00 g
Percentage ag 89% 97.0%
The percentage remaining for Sample Y is
percent.
The percentage remaining for Sample Z is
percent.
Remaining

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.