a student performed an experiment to see if water temperature affects the level of activity in aquatic snails. the student set up four tanks with five snails in each tank. all four of the setups were identical in every way, except for the temperature of the water. in order to make the conclusions more valid, the student could

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.