Biology, 26.09.2020 01:01 natalie2sheffield
An experiment was done to determine if the temperature of water in a lake was different at
different depths.
1. The temperature of the lake would be the
a. Independent variable
b. control experiment
c. dependent variable
d. none of the above
e. controlled variable
2. The depth at which the thermometer measured would be the
a. Independent variable
b. control experiment
c. dependent variable
d. none of the above
e. controlled variable
3. The time of year the lake is measured would be the
a. Independent variable
b. control experiment
c. dependent variable
d. none of the above
e. controlled variable
Answers: 2
Biology, 21.06.2019 19:00
Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
Answers: 1
Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
Biology, 22.06.2019 23:20
Match each term to its scientific definition. a)natural world b)scientific method c)theory 1) everything that can be observed or explained scientifically 2) a well-supported explanation of all the evidence related to a natural phenomenon 3) the procedure of scientific inquiry used to investigate natural phenomena
Answers: 2
An experiment was done to determine if the temperature of water in a lake was different at
differen...
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