Hydrogen in hydrocarbons enters living systems from
A) the atmosphere.
B) oil and coal.
C) water.
D) H2S.
E) All of the above
Correct Answer:
Verified
Q1: The five component elements in most proteins
Q2: Nitrification is
A) performed only by plants.
B) the
Q3: Which of the following is an early
Q5: Which of the following is a micronutrient
Q7: Nitrogen fixation is
A) performed only by plants.
B)
Q8: _ are available to the plant in
Q9: Which of the following is a parasite?
A)
Q10: A photoautotroph acquires its carbon from
A) the
Q11: Which four elements are found in highest
Q11: Which of the following is not true
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents