Which is a biotic factor that characterizes the desert biome?   a. cacti  b. conifers  c. low annual precipitationd. high annual precipitation

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases

Which of the following statements best describes homeostasis