Which of the following is loam most likely to contain?
A. Sand
B. Clay
C. Silt
D. It cannot be determined from the information given.
查看答案
The only factor that is common to 200 and an integer n is 1. When n/200 is written as a decimal number, what is the minimum number of digits to the right of the decimal point?
A. 1
B. 2
C. 3
D. 5
E. 6
In the 2 studies, the purpose of oven-drying the mixed soil was to remove all the:
A. moisture.
B. organic matter.
C. soil test N.
D. amino sugar N.
Which of the offspring listed below were collected in Study 1 ? I. Juveniles II. Adults that were breeding III. Adults that were not breeding
A. I only
B. III only
C. I and III only
D. I, II, and III
反间谍法于()实施
A. 1993年
B. 1995年
C. 2010年
D. 2014年