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joja [24]
3 years ago
6

What is the purpose of ethical guidlines for the handling of experimental subjects?

Biology
2 answers:
ElenaW [278]3 years ago
5 0
I believe the answer is D) to help scientists plan an experiment in which no animals or humans are harmed.

Hope this helps :)
const2013 [10]3 years ago
3 0
D. to help scientist plan an experiment in when ch no animals or humans are harmed.
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antoniya [11.8K]

Answer:

C, carbon dioxide and water

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3 years ago
These are fossils of a fish (vagrant pelagic vertebrate; sample a), and a coral (sessile benthic cnidarian; sample b). in genera
densk [106]
The coral fossil would be a better estimate of past water depth. This is because most corals inhabit shallow water reefs, less than 150 feet deep. In contrast, pelagic fish may inhabit any open water (pelagic) part of the ocean, with depths ranging anywhere from a couple of hundred feet deep to miles in depth.  
6 0
3 years ago
Need answer quick please thanks
Lady bird [3.3K]

Answer:

The genotype will be: Bb

4 0
3 years ago
Read 2 more answers
Please answer the following questions correctly​
Oksi-84 [34.3K]

Answer:

i.   Name each of the parts labelled I, II, III, IV and V.

                           {5 marks}

I - Crown / Enamel

II - Dentine

III - Cement / Periodontal membrane

IV - Jaw bone / Root

V - Pulp Cavity

ii   What is the function of each of the parts labelled I and III?

                    {2 marks}

I - Protects teeth from harmful bacteria

-- Enable teeth withstand pressure of chewing

-- Cutting / chewing / protects dentine / protect pulp cavity

III - hold tooth firmly (in socket / Jaw bone)

iii  Which of the labelled parts could be affected by tooth decay?

                                   {1 mark}

V - Pulp cavity

iv  State three ways by which tooth decay may be prevented.

                      {3 marks}

→ avoid using sharp-pointed objects

→ avoid having dry mouth

→ use water containing fluorides to wash teeth / mouth

→ avoid smoking

→ the teeth should be cleaned regularly after each meal / remove food particle from the teeth / flossing

→ wash the mouth vigorously after each meal

→ regular visit to the dentist

→ avoid eating too hot foods

→ avoid eating too much sugary food

→ avoid eating too cold food / taking too cold drinks

Explanation:

6 0
2 years ago
A scientist is observing a worm that was found inside a host. The worm that's an outer body that is smooth and soft. Which worm
saw5 [17]

Answer:

your answer is tape worm i know this because tapeworms take over inside of a host and its body is smooth and soft.

Explanation:

4 0
3 years ago
Read 2 more answers
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