Consider the scenario in which peas are planted in Ontario on May 1. If the peas need 1200 growing degree-days before they can be picked, and if the mean temperature for each day from May to July is 21°C, in about how many days will the peas be ready to pick? (Assume a base temperature of 4°C).
A. 70
B. 30
C. 120
D. 40
Answer: A
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What is the tenacity of a mineral, and how can it be described?
Tenacity is the ability of a mineral's crystal to stay attached to other crystals. It can be described as tenacious, very tenacious, or not tenacious. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming. A mineral's tenacity can be described as brittle, elastic, malleable, or sectile. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming, although the deformation always reverts to the original shape of the mineral. A mineral's tenacity can be described as tenacious, very tenacious, or not tenacious. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming. A mineral's tenacity can be described as tenacious, very tenacious, or not tenacious. Tenacity describes how easily a mineral can be broken and is described as brittle, elastic, malleable, or sectile.
A halo around the moon indicates that ____
A) cirrostratus clouds are present B) the clouds overhead are low clouds C) rain is falling from the clouds overhead D) the clouds are composed of water droplets
Record breaking low temperatures are associated with which air mass?
a. mT b. mP c. cP d. cT e. mA
Water at 20°C that slightly increases in temperature
A. contracts. B. expands. C. remains the same. D. none of the above