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yan [13]
2 years ago
13

1) which one of the following is a defining characteristic of animals but not of plants? a) autotrophic b) heterotrophic c) euka

ryotic d) prokaryotic
Biology
1 answer:
borishaifa [10]2 years ago
8 0

Answer: B. Heterotrophic

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hodyreva [135]

Answer:

Condensation

Explanation:

6 0
2 years ago
What are the precautions that should be token when using a photometer? please help me​
Maksim231197 [3]

Answer:

PRECAUTIONS FOR USING A SPECTROPHOTOMETER :

1 . By allowing the lamps and electronics to warm up

2.By cleaning up any spills inside the cuvette compartment

3.By carrying out the set-up procedure in the correct order

4.By ensuring that %T or transmission is used as appropriate

5.By closing the door to the cuvette compartment before reading the result

6.By performing calibration checks after set up

7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring

8.By using the correct wavelength

PRECAUTIONS FOR USING A FRAME PHOTOMETER:

1. Do not move or Carry the unit when in use or connected to the mains electricity supply

2. There should be sufficient time for the chimney to cool before handling

3. Do not use acetylene with the flame photometer

4. Over adjustment of the fuel valve will cause excess flame

Do not position the product so that it is difficult to disconnect from the mains supply

5. Do not cover the chimney whilst in use.

6. Do not block or obstruct ventilation slots /airways

7. Do not operate or handle any part of the product with wet hands

I HOPE THIS WILL HELP AND IF NOT LET ME KNOW

8 0
3 years ago
WILL GIVE BRAINLIEST! One characteristic of fungi is that they have a cell wall made of chitin. What are two other characteristi
noname [10]

Answer:

A

Explanation:

Fungi produces spores and heterotrophic. For example, mushrooms produce spores.

8 0
3 years ago
Which of the following is not a form of mass communication?
Ksenya-84 [330]

Answer:

D .job interview...........

6 0
3 years ago
Read 2 more answers
What is a frame shift mutation? What is the cause of this type of mutation?
astra-53 [7]
A frame shift mutation is the shift of the genetics of an object.
This type of mutation os caused by the insertion or deletion of nucleotides in a DNA sequence that is not divisible by three.
7 0
3 years ago
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