Question 10 (1 point) An air mass exists in the middle upper part of the US. What type of air mass is this and what are its main characteristics? Choose ALL that apply Lesson 1.07 Maritime Polar Continental Polar Maritime Polar Maritime Tropical Maritime Tropical Continental Tropical Maritime Tropical Cold dry air mass Forms over land Continental Polar Continental tropical

One group of reptiles, characterized by the fossil ark metal x

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals