6. Which of the following does not allow observation of living organisms?
a) Bright field microscopy
b. Phase contrast microscopy
c) Fluorescent microscopy
d. Dark Field microscopy ...​

Answers

Answer 1
Dark field microscopy because it’s dark and you can only observe things in light

Related Questions

A good
scientist is...
about the
world and its
mysteries,
and must
who
demands
and willing to
change if need
be, and does
not let
and thoughtful
in proposing
carefully.
before accepting
explanations.
or personal
point of view
influence them.
and designing
experiments.

Answers

Explanation:

I don't understand the question

I need help please???

Answers

Answer:

The first one is called longitudinal wave .

the longish point is , i think 1

Which of the following is a benefit of using fossil fuels?
A. Fossil fuels provide cheaper energy.
B. We have very efficient means of using fossil fuels currently.
C. We already have infrastructure in place to make use of fossil fuels.
D. Fossil fuels provide cleaner energy.

Answers

Explanation:

A ) Fossil fuels provide cheaper energy

MARK AS BRAINLIST IF IT IS USEFUL .

Fossil fuels are a non-renewable resource that takes years to form. They are the source of large energy production and provide cost-efficient cheaper energy. Thus, option A is correct.

What are fossil fuels?

Fossil fuels are the dead remains that got converted into sediments and over millions of years produced the fuels used to drive energy. They are produced from deposition of the organic matter and are widely used resources for energy.

They are present in the crust of the earth and are a cheaper form of energy than wind and geothermal energy. They are found in the form of coal, petrol, diesel, and other natural gases. They are produced from decaying organic matter.

These fuels are less costly than the alternative form of energy, however, are the reason for increased temperature and climate change. They have added to the greenhouse gases and are major pollutants.

Therefore, option A. fossil fuels are cheaper.

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Which of the following statements are true for all
biomolecules?
Select three correct answers.
They have nitrogen elements.
They have covalent bonds.
They have a carbon backbone.
They have hydrogen elements

Answers

Well it’s 100% B and D
I think C is the third answer

The statements that are true for every biomolecules are:

They have covalent bonds.They have a carbon backbone.They have hydrogen elements

Biomolecules are molecules obtained or produced by living organisms. There are four biomolecules in nature; proteins, carbohydrates, lipids and nucleic acids.

Since all biomolecules are from living sources, it means they all contain carbon element in their structure.

Also, the carbon is linked to hydrogen atoms in all biomolecules by COVALENT BONDS.

Therefore, every biomolecule has the following:

They have covalent bonds.They have a carbon backbone.They have hydrogen elements

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What are the types of honey bee?​

Answers

Answer:

kdjjdndkskkdjckfkfjsjjsjsmslaldjnxjcjc


(xiii) The most abundant component of urine is:
*Urea
* Water
*Ammonia
*Uric acid

Answers

Answer:

water

Explanation:

this is because when you take in water it helps in regulating the body's temperature hence pass out as urine

Where is the heart situated in the body and vertebrates ?​

Answers

Answer:

The Heart is situated in the Left side of the body

You work in a museum that has a huge, beautiful, stained-glass window
Each panel tints the light a different color. Recently a new exhibit
showcasing plants from around the world has set up a table in front of
the window. Plant 1 is in front of an Orange stained glass, Plant 2 is in
front of a yellow stained glass, and Plant 3 is in front of a purple stained
glass. Which plant should you tell the museum director to move so it
doesn't become malnourished?

A. Plant 2
B. Plant 3
C. Plant 1
D. All 3 plants

Answers

Plant 3 should be removed to prevent it from being malnourished and is denoted as option B.

What is Photosynthesis?

This is the process in which green plants manufacture their food in the presence of sunlight.

The light is not absorbed but reflected as a result of the chlorophyll(green pigment) which is why the plant will be malnourished.

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Why can viruses not fit in any domain? How are they different from all other forms of Life? What would need to occur for viruses to be classified as "alive"?

Answers

Answer:

virus are obligate parasites. Viruses do not, however, carry out metabolic processes. Most notably, viruses differ from living organisms in that they cannot generate ATP.

what is the feature of the eye and it's parts​

Answers

Answer:

1. Cornea

2. Pupil

3. Iris

4. Conjunctiva Glands

5. Lacrimal Glands

Answer:

The cornea, a clear window at the front of the eye, covers the iris and the pupil. A clear lens, located behind the pupil, acts like a camera lens by focusing light onto the retina at the back of the eye. The retina is a light-sensitive inner lining at the back of the eye.

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Economic importance of Angiosperm and Gynosperm

Answers

Answer:

Angiosperms

1. Production of fruits

2. The plants serve as a source of pharmaceuticals.

3. They also serve as a source of fiber products.

4. Source of timber.

5. Source of ornamentals.

Gymnosperms

1. Production of lumber.

2. Source of seeds of ginko, pinus, cycas, etc.

3. Paper production.

4. Resin production.

5. Soap production.

6. Varnish production.

7. Nail polish production.

8. Gum production.

9. Perfume production.

Help ASAP PLEASE HELP FAST

Answers

Answer:

I THINK ITS A) ACTIVE TRANSPORT REQUIRES ENERGY

I HOPE ITS RIGHT IF NOT THEN SORRY HAVE A GREAT DAY :)

Answer:

Active transport differs from passive transport in that active transport requires energy


HELP ASAP PLEASE HELP HELP FAST

Answers

Answer:

it's amylopectin, since it has many ends and also branches that are joined by alpha-1,6- glycosidic bond

What is the frequency of a wave that has a wavelength of .20 m and a speed of 22 m/s

Answers

Answer:

110 Hz

Explanation:

Find the frequency of the wave using the formula, frequency = speed / wavelength.

Plug in the speed and wavelength, and solve:

frequency = speed / wavelength

frequency = 22 / 0.2

frequency = 110

So, the frequency of the wave is 110 Hz

What variable should Anurag change in his experiment

Answers

Answer:

For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration.A

Explanation:


1) Smashing a phone
Gravitational force.
Frictional force.
Magnetic force.
Elastic force.
i don't know.

Answers

Answer:

Gravitational Force

Explanation:

When a phone is dropped, gravity is pulling it down towards the earths core, so in return the phone will be smashed when it hits the ground.

Answer:

FRICTIONAL FORCE.........

An object could have some of the characteristics of life, yet still not be considered alive.



A: True


B: False

Answers

FALSE. they must have all of the characteristics.

Wall lizards are not seen during cold, Why?​

Answers

Wall lizard are not seen because blood becomes cold inside the body.

Answer:

Lizards are cold-blooded. They use their enviornment to control their body temperature. If a lizard is cold, it will go somewhere warmer. If a lizard is hot, it will go someone to cool off.

The lizard may find somewhere in direct sunlight, bury themselves in a hole, or bury themselves under leaves to keep warm.

Anyone wanna help me ???????

Answers

Answer: Wave height

Which of the following is a type of adaptation that animals can have?

Physical characteristics
Behaviors
Life cycle differences
I and II
I and III
II and III
I, II, and III

Answers

Correct answer is I and II

Answer:

Second option

Explanation:

I and II

What are similarities and differences between insects that go through complete metamorphosis and incomplete metamorphosis?

Answers

Answer:

There are two types of metamorphosis-incomplete and complete.

In incomplete metamorphosis, an adult insect lays an egg. The egg hatches into a nymph, which is like a mini adult. This nymph then grows into an adult. As the nymph grows, it molts several times. Grasshoppers are examples of insects that undergo incomplete metamorphosis.

Explanation:

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Edwin

Please help me with this.

Answers

Answer:

natural selection is the answer

Explain how a scientist can determine when a particular species of dinosaur lived on Earth.

Answers

Answer:

by fossil dna

Explanation:

it is too easy for a sciencetist

All the following are ways by which animals help to sustain the carbon cycle except
A when they die, they decompose to release carbon atoms
B. feeding directly or indirectly on plants C. drinking water from streams and ponds
D. breathing ​

Answers

Answer:

Option(C): drinking water from streams and ponds

Please add the missing term:
Species -> Population -> Community
-> Ecosystem -> Biome ->
A. Ecology
B. Life Bubble
C. Hydrosphere
D. Biosphere
Copyright 2003 - 2021 Acellus Corporational

Answers

Answer:

Biosphere hope its a good one

Why do producers (plants) have an opportunity to thrive after wildfires?

Answers

Answer:

Thick bark.  

Trees in fire-prone areas develop thicker bark, in part, because thick bark does not catch fire or burn easily. It also protects the inside of the trunk

Fire-induced sprouts.  

This fire-survival strategy allows for the complete destruction of above-ground growth

Jeremiah is an 10-year-old male who is short in stature. His parents have become concerned as Jeremiah is now wetting the bed, drinking a lot of water, and often appears tired/fatigued. The doctor orders several blood tests after Jeremiah's urine test was positive for glucose and ketones.1. What disease(s) should be ruled out in this patient?2. List the tests that are used to diagnose diabetes.3. List the symptoms of diabetes.

Answers

Answer: 2) Tests used to diagnoses diabetes: Oral Glucose Tolerance Test, Fasting Glucose Test, Hemaglobin A1c, Random Blood Suger Test.

3) unexplained weight loss, frequent unination, lethargic, excessive thirst, nausea , and vomititng, increased hunger even though is still eating, blurry vision, bed-wetting in childern who did not do it previously, dry mouth,

Explanation:

Help anyone ????? Please

Answers

Answer:

It is wavelength

Explanation:

wavelength is defined as the minimum distance at which a wave repeats itself

and at the point of compression (where the wave lines are so close to each other) is when another wave starts

1. Wavelength
2.compression
3. Rarefraction

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Explain briefly the forces that govern the upward movement of water and dissolved
mineral salts in plants.
tom of classification.

Answers

Answer:

The continuous evaporation of water (or transpiration) from the cells of a leaf crates a kind of suction which pulls up water through the xylem vessles. Thus, transpiration helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem.

Please help me ????!!!!

Answers

Answer:

1. Form Bonds 2. True

Explanation:

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