Which of the following best explains why soil conservation is important to human agriculture? a. Erosion prevention prevents millions of dollars in damage from mudslides. b. It is easier to prevent the degradation of old soil than it is to generate new soil. c. If the soil salinity gets too high crops will not be able to grow in it. d. Soil contamination is a hazard to human and animal health. Please select the best answer from the choices provided A B C D

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Asegment of dna that codes for rna and a protein is a

One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above