What causes antibiotic resistance? - Only using antibiotics when you are also doing radiation therapy
- Only using antibiotics when you are also doing chemotherapy
- Any use of antibiotics causes resistance
- We do not know

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Look at the photo of the leaf. which term best describes this leaf?