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A scientist named ______________ discovered radioactivity in 1896.
When a planet has the same meridian as a star, the planet is said to be in
______________.
When energy is released in a chemical reaction, the reaction is called a(n)
______________ reaction.
n-Butane and isobutane are the two ______________ of C4H10.
A huge bull's-eye formation is a distinctive feature of Jupiter's moon ______________.
An element that tends to gain or share electrons during chemical reactions is classified
as a(n) ______________.
A stream's load is divided into three components: dissolved load, suspended load, and
______________ load.
A double convex lens has a focal length of 0.10 m. An object 0.05 m high is placed 0.15
m from the lens surface on the principal axis. Sketch a ray diagram and give the
characteristics of the image.
There are 10 mm in a(n) ______________.
The local solar time at 75W is 12:00 noon. What is the longitude of an observer who
sees the full moon on her meridian at this time?
Changes that alter the chemical composition of a substance are known as
______________ changes.
The size and shape assumed by the crystal faces when a mineral crystal has time and
space to grow are known as the mineral's ______________.
In free fall, the _______________ is constant.
The minimum sound intensity that can be detected by the human ear is called the
______________ of hearing.
Geologic evidence places Earth's age at ______________ million years.
The sequence of interrelated events by which rocks are formed, altered, destroyed, and
re-formed is known as the _____________.
