Answer:
Zn + 2AgNO3 → 2Ag + Zn(NO3)2
Explanation:
It is covered in skin.
This skin excretes a mucous layer which keeps it moist and also acts in protecting the animal from pollutants.
Consist of protein molecules embedded in a fluid bilayer of phospholipids. ... it moves through aquaporin channel proteins. Submerging a plant cell in distilled water will result in. the cell becoming turgid.
Answer:
Experimental groups: type of dogs
Dependent variable: hearth rate
Independent variable: the amount of caffeine
Explanation:
The dependent variable is the variable being measured or tested in a given study, while the independent variable isn't changed by the other variables. In this case, the heart rate is dependent on the amount of caffeine, which is then the independent variable. The experimental groups are the groups exposed to the independent variable.
Explanation:
Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and the rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.