Examlex
The most abundant gas in the atmosphere is nitrogen.
Double-blind
A study design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias in the results.
Attention Deficit Disorder
A mental health disorder characterized by a persistent pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.
Control Drug
Control Drug often refers to a regulated substance whose manufacture, possession, and use are governed by law due to the potential for abuse or harm.
Central Tendency
A statistical measure that identifies a single value as representative of the middle or center of a distribution of data.
Q1: Practically all clouds and storms occur in
Q3: Which of the following is an essential
Q19: manganese nodule<br>A)biogenous<br>B)terrigenous<br>C)hydrogenous
Q24: The length of daylight on the Moon
Q25: The period of time required for the
Q58: The proportion of dissolved substances in seawater
Q66: High clouds that form delicate veil-like patches
Q71: "Perhaps more than any other single measurement,
Q76: An unconformity involving older metamorphic rocks and
Q95: Much of the original free oxygen in