They lay their eggs on milkweed vegetation—the only foods their caterpillars can eat—then die. This new generation continues the journey north, and the procedure repeats for 3 to 4 generations all through the spring and summer season, spreading the monarch inhabitants throughout the northern U.S. and into Canada.7 A https://trevorucevu.blogdemls.com/37355922/5-essential-elements-for-camion-grua