Which biome is characterized by a layer of permafrost?

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite