Which of the following is a true statement about hypotheses? a. it is not possible to test hypotheses through scientific investigations. b. even if hypotheses are not supported by data, they can still be valuable. c. if data does not agree with a hypothesis, the hypothesis should be changed to match the data. d. data collected during scientific investigations must always support hypotheses.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.