Fiona wants to use the scientific method to answer the question “do oxygen levels in the air affect rates of photosynthesis? ” she reads about photosynthesis in her biology book and is ready to carry out the next step. what should she do next? perform an experiment design a procedure make observations form a hypothesis

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter