Answer:
The control sample is those sample that is used in the experiment to guarantee that the examination of the experiment is done properly and the results that are obtained are reliable.
These samples are an important component of the quality assurance that is used in order to prevent any inaccuracy of the laboratory results.
Chlorophyll captures light energy from the sun to produce glucose
<span>B. wearing goggles when working with chemicals. Hope this helps :)</span>
I think the hydra lacks the specialized cells for touch and chemical detection. On the other hand earthworms have touch, light, vibration and chemical receptors along the entire body surface. Both of them are invertebrates (those animals without a backbone), they include insects, worms, jelly fish, spiders among other animals.
Answer:
Water, organic biological molecules, sodium chloride, glucose.
Explanation:
A compound is anything composed of two or more separate elements.
- O2 and H2 are a singular elements, and a chain of carbon atoms is multiple of the same element, so these are not considered compounds.
- Sodium chloride is sodium and chlorine, and water is oxygen and hydrogen. Glucose is a compound of sugar, and organic biological (or biomolecules) are made up of carbon and hydrogen, so these are all considered compounds
I hope this helps! Happy learning, friend :)
