What are some living or noliving thing that affect tropical rainfroest

What is the utilized equipment for studying fluorescence-labelled cells?

What did the different colored bands signify in each solvent for part 1 of the paper chromatography experiment? what pigments can you associate with them?

Give me a example of death

DNA and RNA are two types of what?

Which of the following can cause acid precipitation? A. The use of solar panels B. The use of Hydroelectricity C. The use of coal D. All of the above

One student did an experiment with sea water. The steps of the experiment are shown below. Heat 0.5 liters of sea water in a beaker. Observe the sea water boil after about 5 minutes. Continue to boil the sea water till its volume becomes 0.1 liters.

Which object performs a function similar to that of the human body's skin? A. camera lens B. house frame C. astronaut suit D. telephone wire

Muscle tissue can be stimulated by the nervous system. Cells with the ability to change their membrane potential have what property?

The reactants collect in the a. Nucleus. B. Chloroplast c. Stem

Why might the risk of infectious disease be high in a community that has no water treatment facility?