40 points Please help

1 answer:

6 0

Answer: For starch, iodine was used as a reagent. The hypothesis was that color would change blue-black on the starch sample and not on the sugar samples. The results concluded this. Also, tested was an onion and potato.

i hope this helps plz mark brainliest

You might be interested in

Some bacteria have an impact on human nutrition. what vitamin does our intestinal bacteria synthesize that we absorb for our use

Gre4nikov [31]

The answer is vitamin k

8 0

4 years ago

It is the chance or probability that a person will harmed or experience an adverse health , effect if one is exposed to hazard

vampirchik [111]

Answer:

D. Risk

Explanation:

RISK can be seen as a tendency or likelihood that a person or an individual may encounter, faced or be exposed to something that may be harmful or have an adverse health effect on such person Example a house that has a foundation that is not strong is an hazard reason been that their is likelihood or tendency that a person or an individual might be harmed if the house collapsed because the foundation of the building is not strong for the building to stand long on it without collapsing.

5 0

3 years ago

Which of these is an environmental change that occurs rapidly?

Alex Ar [27]

Answer:

Its (D) Volcanic Eruption

Explanation:

5 0

3 years ago

What is the control center of the entire nervous system ?

notka56 [123]

The brain and the spinal cord.

6 0

3 years ago

The major means of propulsion through the alimentary canal is peristalsis.

goldfiish [28.3K]

<h2>Peristalsis </h2>

Explanation:

Peristalsis is simply a series of muscle contractions, these contractions occur in the digestive tract
Peristalsis is also observed in the tubes that connect the kidneys to the bladder
Peristalsis is an automatic and important process which moves: food through the digestive system, urine from the kidneys into the bladder and bile from the gallbladder into the duodenum
Peristalsis is a normal function of the body and can sometimes be felt in the belly (abdomen) as gas moves along

6 0

4 years ago