![subject](/tpl/images/cats/biologiya.png)
Biology, 17.10.2020 21:01 breashaeeboo1813
Please help!! Biology!
1. Why is it possible for the surface of a pond to freeze even though the water underneath is fluid?
2. Sugar dissolves in water, but is not an ionic compound. What does this tell you about sugar?
3. Water is used in the cells to help transport in the chemicals necessary to survive. Since cell membranes need to be able to hold in and hold out water without dissolving, what do you suspect cell membranes are made from? Why do you think this?
4. Remember "The Wicked Witch of the West" from The Wizard of Oz? She melted when doused with water. What do you think her cell membranes were made of, and why?
5. Find out why hot water freezes more quickly than cold water, and explain it here.
6. Explain why heavy water is heaver than regular water.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:40
Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 16:30
Why do mountaineers become breathless as they reach high altitudes
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 23:30
S, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2019 00:10
What do well call it when two or more genes determine an organisms trait? a.polygenic b.controlled by one gene c.mutated
Answers: 2
You know the right answer?
Please help!! Biology!
1. Why is it possible for the surface of a pond to freeze even though the wa...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 21:10
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 21:10
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 21:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.05.2021 21:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 14.05.2021 21:20
![question](/tpl/images/cats/biologiya.png)
Biology, 14.05.2021 21:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/health.png)
Health, 14.05.2021 21:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)