An idea that is supported by some evidence, but is not yet the basis for a field
of study is called a:

A. paradigm
B. hypothesis.
C. conclusion
D. working theory

Answer:

A lesser amount of heat will be drawn up from the mass to be cooled per unit mole of the new liquid vaporized, compared to the amount of heat that will be drawn by vaporizing a unit mole of water. For the case of methane, five mole of methane needs to be vaporized to get the same cooling effect of a mole of water.

Explanation:

For a liquid like water to vaporize, it must draw a certain amount of energy from the surrounding in order for some of its molecules to gain enough energy to break out of the surface of the liquid as gas. If the heat of vaporization of water is about  -40 kJ/mol, it means that for a mole of water to change from liquid to gas, it must draw up 40 kJ worth of heat from its surrounding. The effect is that the surrounding mass losses 40 kJ worth of heat, and cools down. If we should now use a new liquid, say methane with heat of vaporization of about -8kJ/mol,  five moles of methane needs to be vaporized to get the same cooling effect of vaporizing a mole of water; since the heat that will be drawn by a mole of the methane is just bout 8 kJ.

Answer:

The correct answer would be : option E.

Explanation:

Sphinx moth Xanthopan morganai is montypic genus of sphinx moth which has only one species which gives it as a name of morgan's sphinx moth found in east Africa and Madagascar.

This species of moth have a 8 inch long tongue which is characteristic feature of the species. The 8 inch long tongue gives them advantage in reaching to the nectar where no other pollinator can reach to their.

Thus, The correct answer would be : option E.

Answer:

Greenhouse gasses

seed plants are monophyletic

ANSWER: TRUE

natural selection does lead to perfectly functional solutions.

Answer:

disruptive/diversifying selection  

Explanation:

Disruptive (also known as diversifying) selection is a type of natural selection where extreme phenotypic values are more favored rather than intermediate phenotypes. The disruptive selection favors the survivance and reproduction of organisms with extreme phenotypic traits, and in turn impairs the reproduction of organisms with intermediate traits, thereby changing the allele frequencies in the population in order to favor extreme values. An example of disruptive selection is the beak size of Galapagos finches, where extreme phenotypes of this trait have shown to be adaptive according to the type of food found in each island.

Answer:

The correct answer is "aeration".

Explanation:

Fish depend on the presence of dissolved oxygen in the water to breathe, because they take oxygen from water in a mechanism known as countercurrent exchange. Oxygen gets dissolved in water when winds stirs it in a phenomenon known as aeration. Aeration brings water and oxygen in direct contact, and not only is responsible of producing dissolved oxygen in water, but also increases its palpability by removing its flat taste.

Answer:

Substances

0 (most acidic) Hydrochloric acid (HCl)

1 Stomach acid

2 Lemon juice

3 Cola, beer, vinegar.

Examples of alkaline are:sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide etc

Answer: A falsifiable Hypothesis is able to be proven wrong from one observation

Explanation:

Answer:

the answer is D. Cutaneous

Explanation:

The cutaneous (ku-ta'ne-us) membrane is your skin. Its superficial epidermis is composed of a stratified squamous keratinizing epithelium. The underlying dermis is mostly dense (fibrous) connective tissue. Unlike the other epithelial membranes, the cutaneous membrane is exposed to air and is a dry membrane.

The type of membrane that is associated with the skin is cutaneous. Therefore, option (D) is correct.

Cutaneous membrane is a type of epithelial membrane that covers and protects the external surface of the body, including the skin, hair, and nails. The other options mentioned are different types of membranes found in the body.

Peritoneum is a serous membrane that lines the abdominal cavity and covers the abdominal organs. Synovial membrane is a connective tissue membrane that lines the cavities of freely movable joints. Serous membrane is a type of epithelial membrane that lines the closed body cavities and covers the organs within those cavities.

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Answer:

E. Each codon represents a different amino acid.

Explanation:

The genetic code refers to the set of rules guiding the translation of nucleotide bases in DNA or RNA into an amino acid sequence (proteins). The genetic code contains all the codons in the genome, which is a group of three nucleotide base (triplet-based). Each codon species a particular amino acid, however, more than one codon can code for a particular amino acid. This characteristics of the genetic code is called DEGENERACY.

The genetic code is said to be nearly universal because the same codon encodes the same amino acid in almost all living organisms with only few exceptions. The nonoverlapping nature of the genetic code refers to the fact the three bases of a codon are read independently from the bases of another codon i.e. codons do not overlap.

A codon represents one amino acid but more than one codon can represent the same amino acid. Hence, option E is untrue

Answer:

it spreads through polluted water.

Explanation:

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Cholera is a water-borne disease spread through polluted and stagnant water bodies. It is caused by a bacteria named Vibrio cholerae by the help of the vector 'Water'.

Hence it is advised to consume boiled and purified water, clean the nearby water bodies and not letting them go stagnant. Always preferred: Hygiene and Sanitation.

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Answer:

vacuoles

Explanation:

Answer:

cells

Explanation:

all living organisms need to have cells

Answer:

Explanation:

Blastula is an early stage of embryo development, it is the continuation of t morula which is when the zygote is moved to uterus.

Cells in blastula are actively dividing as formation is still taken place, and are used because this dividing cells are very large and can be easily seen. The chromosomes of Blastula are also more visible than human chromosomes hence necessitates it uses.

circulation

respiration

lymphatic flow                for multiple chose

Digestion

Urination

Answer:

It's asexual or sexual reproduction.

Answer:

sexual reproduction

Explanation:

Houseflies need a partner to lay eggs. The eggs do not come from the sky.

Answer:

Unicellular

Explanation:

Protists can be defined as a group of eukaryotes that can not be regarded as fungi, animals or plants. These type of organisms are known to be very diverse. They are mainly microscopic in nature and are also known to possess a single cell. That is they are unicellular.

This unicellular attribute is the primary or main differentiating feature between protists and other eukarya.

Answer:

There are many experiments available: Freeze-fractue experiment is one of them.

Explanation:

The fluid property of functional biological membranes had been determined through labeling experiments, x-ray diffraction, and calorimetry.  

experimental evidences for the "mosaic" and "fluid" property of layers of mosaic fluid model -

- Freeze-fractue experiment the layer and watch protein.  

- An significant experiment that gave proof supporting liquid and dynamic natural was performed by Frye and Edidin.  

-They utilized Sendai virus to drive human and mouse cells to combine and create a heterokaryon and showed that proteins of both human and mouse remains segregated to isolate parts of the heterokaryon a brief time frame after cell combination. However, the proteins inevitably diffused and after some time the outskirt between the two parts was lost.  

- Lowering the temperature eased back the pace of this diffusion by making the layer phospholipids progress from a liquid to a gel stage.  

- Singer and Nicholson supported the consequences of these tests utilizing their liquid mosaic model.

The independant variable is the amount of fertilizer.

The dependant variable is the growth rate.

Constants: would be the amount of fertilizer and the amoun tof water used.

Control group: would be for example would be if there was a separate experiment

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Answer:

D

Explanation:

The answer is D. Caudal

Answer:

Unsaturated fat are usually called oils.

Answer:

oils

Explanation:

Answer:

Explanation:  

1. Interstellar Medium

2. around 13 billion years

3.telescope

4.  the inner planets have low gravity and cannot attract rocks to their atmosphere.

5.  oceans, groundwater, freshwater.

6.   Solar Nebula, Circumstellar Disks, Planetesimals, Terrestrial Planets (Inner

Solar System), Gas Giants (Outer Solar System)

7. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

8. its a circular loop  around the sun.

9. The carbon dioxide traps most of the heat from the Sun.

10. saturn

11. molten heavy-metal core, few moons and topological features such as valleys, volcanoes and craters.

12.  no solid surfaces and are essentially large balls of gas composed primarily of hydrogen and helium.

13. eight

14. , new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent

15. the Moon has phases because it orbits Earth, which causes the portion we see illuminated to change.

16. the earth

17.total lunar

18.Waxing Gibbous Moon.

19. synchronous rotation.

20.Turbulent Beginnings.

21. closest: perigee farthest: apogee

22.the Moon is lined up between the Earth and the Sun. We see the side of the Moon that is not being lit by the Sun

23. where its facing

25.  Lithosphere, Asthenosphere, Mesosphere, Outer Core, and Inner Core. (put these down starting with inncer core to lithosphere.)

26. metal—specifically, iron and nickel

27.Earth is the only planet in the solar system with an atmosphere that can sustain life.

28. Continental crust

29. mantle

30. temperatures increase exponentially.

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Answer:

By breaking down glucose made in photosynthesis with the mitochondria.

Explanation:

Root's cannot undergo photosynthesis but sugar can be transported to the roots through the phloem. Once sugar gets to the root cells, cellular respiration can break down sugar into energy. Cellular respiration starts with glycolysis which occurs in the cytoplasm but the process completes in the mitochondria.

Cells in the roots of plants get their energy through a vascular transportation system within the plant by vessels called phloem.

The energy is produced through photosynthesis and converted to useable energy form by cellular respiration.

Plant veins transport water, nutrients, and energy to the rest of the plant. Plants absorb water and nutrients through their roots and make glucose and transport energy, they use their vascular system to move the water and nutrients up into the rest of the plant and to the roots from leaves.

Thus, the correct answer is - veinous transport system.

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Answer:

They are the preferred energy source of cells.

Polysaccharides are long chains of glucose molecules.

They are hydrophilic.

They contain energy in carbon–carbon bonds.

Explanation:

Carbohydrates are one of the four biomolecules found in living systems. They are molecules made up of carbon, hydrogen and oxygen in their structures. A monosaccharide is the simplest unit of a carbohydrate. Carbohydrates are energy sources since they store energy in their chemical bonds i.e. carbon-carbon bonds.

They are preferred as energy sources by cells due to the fact that their stored energy can be released quickly for use by cells i.e. easily broken down compared to lipids.

Polysaccharides (large chains of carbohydrate) such as starch etc. are composed of long chains of monosaccharide units such as glucose. Due to the hyroxyll group in the structure of carbohydrates, they are considered water-loving or hydrophilic.

Answer:

we don't care our body our body loss hormone and antibiotic so we live a wastage life because we have no energy....

Answer:

Main Asteroid Belt

Explanation:

It is known as The main astroid Belt

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