Which of the statements is not true regarding protists? Some are unicellular. They may have cell walls. They are usually aerobic, though some are not. They may be photosynthetic. They may be prokaryotic.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

What is the approximate time of death of the body temperature is 29.4 degrees celsius

What is the difference between how ionic and covalent bonds form