These gymnosperms made their appearance in the Triassic and became very widespread:a
angiosperms d. seed ferns
b. cycads e. A and C
c. horsetail rushes
B
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The least accurate forecast method of predicting the weather two days into the future during
changeable weather conditions is usually the:a. trend method. b. persistence forecast. c. analogue method. d. prediction by weather types. e. numerical weather prediction.
Imagine you are handed a mineral sample. It breaks with a conchoidal fracture but displays no cleavage. It does not react with hydrochloric acid, is a light pink color, and has a nonmetallic luster
It is harder than a streak plate, and has a specific gravity of 2.65. What mineral is it? A) olivine B) potassium feldspar C) calcite D) quartz
Soil permeability depends on soil particle size, shape, and packing of soil grains
Indicate whether the statement is true or false
Which of the following endings is generally associated with a monatomic anion?
A) -ade B) -ate C) -ic D) -ide