Which of the following statements is true? 1.Plant cells have cell walls instead of cell membranes.
2.The excretory and the lymph system work together to control all bodily functions.
3.Reproduction by mitosis produces a single identical cell.
4.The cardiovascular system transports oxygen and carbon dioxide for the respiratory system.

Which statements best describe monsoons? check all that apply. they force cool, moist air from oceans to rise. they are winds that blow in the opposite direction of a normal wind. they bring rain in the summer and drought in the winter they increase rainfall in south asia, africa, and australia. they influence precipitation as wind moves near a mountain.

Applying your knowledge of specific plant hormones, explain the results

Why did ancient cultures track seasons?