Biology, 26.07.2019 07:10 roman2328

Which items did mendeleyev write down while observing different elements

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 20.06.2019 18:02, nathanthomasmoses

Dr. bob hypothesizes that drug x causes cuts to heal more quickly. he performs a medical experiment on a group of 100 people and confirms his original hypothesis. in the control group, a 1 cm cut took seven days to heal. in the experimental group, a 1 cm cut took four days to heal. what should dr. bob do next? a) repeat the experiment for accuracy. b) begin selling drug x to the public. c) write a scientific theory about drug x. d) publish the results of the experiment in a scientific journal.

Answers: 1

continue

Biology, 22.06.2019 07:00, victorialeverp714lg

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Answers: 2

continue

Biology, 22.06.2019 11:30, gymnastcaitlyn1

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.

Answers: 1

continue

Biology, 22.06.2019 16:50, victoriacarr638

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.

Answers: 3

continue

You know the right answer?

Which items did mendeleyev write down while observing different elements...