Write a claim: Can mixtures be separated?

Please I need this done by tomorrow!!

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine