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We classify living things _________ to their characteristics.
The pupils _________ to be animals for the day.
__________ wanting to make a number of pH readings may use a pH meter.
A thermostat is a device that _____________ regulates temperature.
The ___________ in the desert was over 40 degrees.
________ is the amount of moisture in the air.
Plants readily respond to these _______.
Posture is important when playing a musical __________.
I'll make an _________ and let you stay up late tonight.
Mum _______ with the lock.
Many companies _______ the opportunity to expand.
Algebraic manipulation refers to the manipulation of algebraic expressions, often into a simpler form or a form which is more easily _______ and dealt with.