Comparing science and pseudoscience
which are examples of science rather than pseudoscience? check all that apply.
people can get rid of hiccups by holding their breath.
the us surgeon general's 1964 report declared that smoking cigarettes was linked to cancer
going outside with wet hair will cause a person to catch a cold
the average global temperature of the earth has increased by almost two degrees in the last century.
people should not swim right after eating because they could develop severe muscle cramps and drown.

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

Which states of matter have particles that move independently of one another with very little attraction?