howtifly howtifly

13-12-2016
Physics

contestada

Which is the correct definition of a chemical reaction? A. Substances are mixed together. B. Substances interact to form new substances. C. Things change color. D. Substances melt.

Respuesta :

Аноним Аноним

13-12-2016

c things change color

Answer Link

Otras preguntas

Daily summer solar radiation levels at polar latitudes are caused by the high intensity of radiation per unit surface area rather than by long periods of daylig

Look at the map of Europe after ww 2 which of the following labels best describes the shaded areas on the map

What is the easiest way remember quadratics equations?

help plz Drag and drop an answer to each box to correctly complete the proof. Given: m∥n , m∠1=65∘ , m∠2=60∘ , and BD−→− bisects ∠ABC Prove: m∠6=70∘

The instrument playing technique in the 1700s was not well developed because of the size of the instrument. True/False

In this figure, AB || CD and CD || FG How can you describe the angle relationship between ∠ACD and ∠CFG Select all that apply 1.) complementary angles 2.) same

What are "chromosomes"?

14. Socrates, Plato, and Aristotle believed that an argument should be based on: a. Reason b. Emotion c. Religion d. Popularity

According to the empirical rule, if the data form a bell-shaped normal distribution, __________ of the observations will fall within two standard deviations aro

Which is used as evidence for the idea that eukaryotes formed from prokaryotes? O A. Eukaryotes hold genetic information in DNA. O B. Mitochondria and chloropla