Bob is curious to know which plant fertilizer, if any, will help his peppy plants to produce more peppers. He despises to test the 3 brands that the local nursery sells. He sets up four boxes and plants in each box. He gives 30g of one type of each of the three fertilizers to the first three boxes, and adds no fertilizer at all to the fourth box. What is the dependent variable in Bobs Experiment?

Sydney drew a flow chart to illustrate the nitrogen cycle. which labels best complete the flow chart? x: producers undergo photosynthesis. y: nitrogen compounds are released into the air. x: nitrogen compounds are released into the air. y: producers undergo photosynthesis. x: free nitrogen is in the atmosphere. y: producers absorb nitrogen compounds through their roots. x: producers absorb nitrogen compounds through their roots. y: free nitrogen is in the atmosphere.

Does any one know what blood tastes like

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred