Placental mammals give birth to live young
a. True
b. False
True
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The field of marine science involves ____
A) the building of oil platforms, ships, harbors, and other structures that enable us to use the ocean wisely B) the process of making observations, asking questions, and forming hypotheses C) the scientific study of the ocean, its associated life-forms, and its bordering lands D) testing hypotheses by controlled experiments
Which of the following statements best embodies the qualities of a scientific theory?
A) Squirrels in central Illinois prefer to build their nests in oak trees instead of hickory trees. B) Dangerous wildfires in California could be avoided by better fire prevention strategies. C) Prairies that have large herds of bison show greater plant diversity than prairies without bison. D) All gases, liquids, and solids consist of atoms.
If you're cooking pasta for your big romantic date, you'd better allow a few extra minutes for it to cook once it comes to a boil if you're at a high altitude
Indicate whether the statement is true or false
An HCl solution has a pH of 3.10, what is the [OH-] in this solution?
A) 7.9 x 10^-18 M B) 1.3 x 10^-11 M C) 7.9 x 10^4 M D) 1.3 x 10^3 M