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Talja [164]
3 years ago
8

What must scientists look for in their experiment or their data to make sure it is accurate? A. Sources of error B. Observations

C. Hypotheses D. Dependent variables
Biology
1 answer:
gtnhenbr [62]3 years ago
4 0

Answer:

A SOURCE OF ERROR BECAUSE IFTHERE ARE  MISTAKES THEN THE INFO ISNT ACCURATE

Explanation:

MARK BRAINLEST PLEASE

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Answer: in the production systems of coal-burning power plants

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Describe the path an egg from the ovary to the outside of the female body
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The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle.
5 0
3 years ago
The pupil is the adjustable opening in the center of the eye through which light enters. transparent structure that focuses ligh
Black_prince [1.1K]

Answer:

1) IRIS

2) LENS

3) RETINA

4) Fovea Centralis

Note: Answers 1 - 4 follows question pattern

Explanation:

The PUPIL is the hole in the MIDDLE of the IRIS of the eye, through which light passes to be focused on the RETINA.

The IRIS is the contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye

ACCOMMODATION is the change in the adjustment of the eye lens to help focus light ray.

RETINA helps to receive light rays that the lens has focused. It contains two cells: rods and cones

Fovea Centralis is at the center of the retina responsible for sharp and accurate vision, also it is where cones cells cluster.

7 0
3 years ago
Hi! guys help me please?​
rusak2 [61]

Answer:

Nervous system: This systems helps the five sense organs (eyes, ears, nose, tongue, skin) which all contain nerves that send messages to the brain about what is happening. The brain produces a response which it sends via other nerves to the muscles.

Digestive system: This system helps to break down food into simpler substances so it can be used and absorbed into the body. It takes place in the alimentary canal (food tube), mainly in the stomach and small intestine. The digested food is absorbed into the blood.

Respiratory System: This system helps take in oxygen and removing waste carbon dioxide. Air enters the lungs by movement of the rib muscles and diaphragm. The oxygen is absorbed into the blood.

Reproductive system: This helps produce offspring. Eggs are produces by ovaries in a female and the sperm is produced in the testes of a male. They then try and fertilise the eggs.

Note:

Hope this helped <33

3 0
3 years ago
Nomextm and kevlartm are polyamides that are unusually tough and flame resistant. what structural feature makes nomex and kevlar
morpeh [17]
Monomers that include aromatic rings. 
6 0
4 years ago
Read 2 more answers
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