List conditions of the circulatory system that decrease blood flow and increase blood pressure and resistance.

Blood clots will do this.  Cutting off blood flow while also increasing blood pressure.  Also, if the viscosity (thickness of the blood) is thick which will slow down the flow and cause the body to use more effort to pump blood.

they use sunlight, water, and carbon dioxide to make sugars - c.

in tropical forests it typically is hot with a lot of rain. when what is hot, it starts to evaporate and turn into water vapor.