Which is an example of a chemical change?

A. a teaspoon of salt dissolves

B. a candle burns

C. a pan of water boils

D. a burner gets red hot

10. The presence of an epiphyseal line indicates a. Epiphyseal growth has ended b. Epiphyseal growth is just beginning c. Growth of bone in diameter is just beginning d. The bone is fractured at the location e. No particular event

Which of the following represents an ion? A. a particle having 14 protons, 14 neutrons, and 14 electrons B. a particle having 9 protons, 9 neutrons, and 10 electrons C. a particle having 19 protons, 21 neutrons, and 19 electrons D.

Which of Jupiter's moons is believed to contain twice as much water as earth

Rocks that allow fluids to move through them are called

Meiosis is the process by which gametes are produced. In which human organs does meiosis occur?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.

The female determines the sex of mammals. True False

The definition of a hero is a. universally understood. b. determined by personal and cultural factors. c. clearly defined by a set of established traits. d. static and impartial.

Hydrogen ion concentration in vinegar