What type of soil contains the highest amount of oxygen?
A) sand
B) clay
C) silt
D) gravel
Ans: D) gravel
Biology & Microbiology
You might also like to view...
Which group of Arthropods is primarily found in the marine environment?
a. Scorpions b. Planarians c. Arachnids d. Polychaetes e. Crustaceans
Biology & Microbiology
Ovulation is triggered by ____
a. high levels of LH b. low levels of LH c. low levels of estrogen d. high levels of estrogen e. high levels of progesterone
Biology & Microbiology
Territoriality increases aggression
Indicate whether the statement is true or false
Biology & Microbiology
In humans, widow's peak (W) is dominant over straight hairline (w). If a heterozygous male marries a female with a straight hairline, what percent of their children can be expected to have widow's peak?
a) can't be determined b) 25% c) 0% d) 100% e) 50%
Biology & Microbiology