Ecology unit 1 Atmospheric nitrogen has to be combined with other elements or fixed in order to be used by plants lighting is one way that nitrogen is fixed when lighting occurs the extreme heat breaks the bonds on nitrogen molecules allowing nitrogen to combine with oxygen and form nitrogen oxides in what way is most of the nitrogen fixed by lighting made available for use by plants

What is the best-known carbohydrate?

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway