Biology, 25.07.2019 14:00 valerieaj113
Kari arrives late to science class. as she arrives, the teacher is talking about a type of scientific investigation that has a question, hypothesis, independent variable, dependent variable, control group, procedure, and conclusion. the teacher mentions that an example of this type of investigation would be seeing if different concentrations of acid rain break down rocks equally. what topic is kari’s teacher describing? collective investigations descriptive investigations comparative investigations experimental investigations
Answers: 1
Biology, 21.06.2019 18:50
The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.
Answers: 2
Biology, 21.06.2019 23:10
This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh
Answers: 1
Biology, 22.06.2019 03:30
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
Answers: 1
Biology, 22.06.2019 05:00
Identify the examples in which sam interacts only with natural resources
Answers: 2
Kari arrives late to science class. as she arrives, the teacher is talking about a type of scientifi...
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