The first sign of puberty in females is the beginning of breast development.

a. True

b. False

Which event is the most common at a transform plate boundary? A. frequent earthquakes B. formation of a mountain chain C. a mid-ocean ridge D. a hot spot volcano

If you observe a cell nucleus under a compound microscope, you will not see a molecule of dna. why will you be able to see the dna you extract?

El Niño events are caused by warmer than normal ocean temperatures near the equator in the Pacific Ocean. Which weather events are most likely to occur as a result?

A quantum is a unit of: energy speed force radiation

A woman who is 12 hours postpartum had a pulse rate around 80 beats per minute during pregnancy. now, the nurse finds a pulse of 60 beats per minute. which of these actions should the nurse take?

1.) How do crickets communicate temperature and reactions and body parts allow them to do this? 2.) Why does the frequency of chirps go up as the temperature rises? 3.

What portion of the spinal cord contains cell bodies for somatic motor neurons?

Climate warming trends allow plant and insect species to inhabit larger ranges. true or false

The source of most variations come from

Will water move into or out of a plant cell if the cell has a higher water potential than the surrounding environment?