subject
Biology, 11.07.2019 15:30 kitttimothy55

Last one: which action demonstrates a chemical change? a. ice melting into water b. wood becoming charred and black from burning c. water evaporating from a sugar solution, leaving behind sugar crystals d. a balloon suddenly popping

ansver
Answers: 1

Other questions on the subject: Biology

image
Biology, 22.06.2019 07:40, pulliamdylan
Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one
Answers: 1
image
Biology, 22.06.2019 12:10, MIAkwicc39
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
Answers: 2
image
Biology, 22.06.2019 12:30, musa79
Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
image
Biology, 22.06.2019 13:30, minecraft37385
How do ratio scale and diagrammatic scale work
Answers: 1
You know the right answer?
Last one: which action demonstrates a chemical change? a. ice melting into water b. wood becoming...

Questions in other subjects:

Konu
English, 11.01.2022 05:40