When conducting an experiment, which of the following is generally true? performing a larger number of experimental trials makes the results more dependable. it is unsafe to perform a large number of experimental trials. the number of trials performed does not affect the validity of the results. performing a smaller number of experimental trials makes the results more dependable.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.