subject
Biology, 05.01.2021 22:20 ovebrown

In the experiment, you will heat up 50 grams of cold sand and 50 grams of cold water by adding hot water. Will the kind of material—sand or water—affect the temperature change? State your hypothesis. help plz ill mark brainllest

ansver
Answers: 2

Another question on Biology

question
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
question
Biology, 22.06.2019 08:30
Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
Answers: 3
question
Biology, 22.06.2019 09:10
Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.
Answers: 1
question
Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
You know the right answer?
In the experiment, you will heat up 50 grams of cold sand and 50 grams of cold water by adding hot w...
Questions
question
Mathematics, 16.11.2019 05:31
Questions on the website: 13722363