Which element (s) is/are not balenced in this equation.

Pb (NO3) 2+2 KCL---> PbCl2+KNO3

What caused Antarctica's climate to change from a more temperate climate to its current climate? a. movement of tectonic plates b. El Niño c. being surrounded by ocean d. all of the above

Which of the following correctly summarizes the main issue with most genetically engineered food crops?

The brain operates on two levels, conscious and unconscious. this is called:

What disease is most associated with Clostridium perfringens? endocarditis osteomyelitis gas gangrene rat bite fever

An organism is discovered that thrives in both the presence and absence of oxygen. Interestingly, as oxygen is removed from the organism's environment, the rate of sugar consumption increases while the growth rate decreases.

Match the term to its description. Match Term Definition Astronomical body A) A celestial object consisting of a nucleus of ice and a stream of gas and dust Galaxy B) A system of stars held by gravitational attraction Comet C) An object in space

How does meiosis most benefit a species?

What is the least common multiple for 8,27, and 35?

Students were tasked with developing a model of how pesticide resistance is developed in a population of farming pests. Each student submitted the scenario they would model to their teacher.

Which organs are responsible for producing fluid to give sperm nourishment and motility? a) vas deferens b) testes c) seminal vesicles d) prostate glands