4383
Ornithology is the study of what?
Birds
Plants
Bones
Oceanic crust is _____ and _____ than continental crust.
thicker / less dense
less thick / denser
less thick / less dense
The lens used in a simple microscope is...
Concave
Convex
Cylindrical
In which units is the energy of food measured?
Celsius
Kelvin
Calories
The liquid metal is...
Bismuth
Mercury
Magnesium
What frequencies of electromagnetic radiation are absorbed by Earth’s ozone layer?
Visible light
Microwaves
Ultraviolet light
Endothermic reactions are those in which...
Heat is absorbed
Temperature increases
Light is produced
Chromosomes move toward opposite ends of the cell during which phase of cell division?
Anaphase
Interphase
Metaphase
What do you get when you mix an acid and a base?
Sugar
Amino acid
Salt
What a shame..
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