What is one thing viruses all have in common? A) Nucleus
B) Genetic Material
C) Cell Wall
D) Carbohydrate

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Select the word from the list that best fits the definition a system made of 25 satellites