What hypothesis did Darwin develop about the Galapagos finches?

Answers

Answer 1
Answer: He came up with the idea that they came from South American Finches, he said they could be descendants

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A)Fossil layers below the K-Pg boundary are younger than fossil layers above the K-Pg boundary.B) Non-avian dinosaur fossils are only found below the K-Pg boundary. " C) Mammal fossils are not found below the K-Pg boundary as they appeared after the event. D) Fossil layers containing dinosaurs and mammals are below the K-Pg boundary. E) Fossil layers below the K-Pg boundary are older than fossil layers above the K-Ps boundary
Please help i need to finish this today before bed and i need a passing grade to start my next assignment. Proteins have a variety of functions within a living cell. Describe at least three of the possible functions of proteins, and explain how proteins can be so diverse when there are only a limited number of different amino acids.
the amount and type of precipitation in temperture rainforest is the same as tropical rainforest. T or F

The rock cycle forms new rocks using which of the following processes?a.
crystallization
c.
erosion
b.
compaction
d.
all of the above

Answers

Answer;

All the above

All the above processes (crystallization, erosion, and compaction) may be used during rock cycle to form new rocks.

Explanation;

-The rock cycle involves how one type of rock can be changed into another type of rock. It is the sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes.

-Crystallization isthe formation and growth of a crystalline solid from a liquid or gas.

-Erosioncondition in which the earth's surface is worn away by the action of water and wind. Compaction involves the squeezing together of layers and any water mixed in with the sediments is forced out as the layers of sediment build up, increasing the pressure on the lower layers.

d.
all of the above. is the answer

What substance is insoluble in water?

quartz
vinegar
sugar
salt

Answers

As you indicate, quartz or silica is exceptionally stable because of its exceedingly low solubility. Thus, option A is correct.

What is the solubility of water?

The amount of an oil that will dissolve in the water column at a specific temperature and pressure is known as its solubility in water.

The compound's water solubility increases with increasing polarity. The high water solubility of BTEX chemicals is one reason why they are found in groundwater so frequently.

In pure water at neutral pH, room temperature, and pressure (a saturated silica solution under these conditions only contains 6 parts per million of silica dissolved in water).

Quartz is about water-insoluble at normal temperature. There is no need to be concerned about quartz crystals being harmed by frequent washing.

Therefore, quartz substance is insoluble in water.

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Try using the elimination method
Salt and sugar are soluble so we are left with being at and quartz.
Vinegar is a liquid so I will assume it will dissolve. We are left with quartz

IT'S VERY IMPORTANT PLEASE HELP!In a species of dogs, a black coat is dominant over a white coat. The offspring from a black dog and a white dog all have gray coats. This is an example of _____.
incomplete dominance
complete dominance
codominance
sex-linked genes

Answers

The correct answer is A. Incomplete dominance

Explanation:

Incomplete dominance occurs in genetics when two alleles lead to a new observable trait (phenotype), this occurs because the two alleles (variants of genes) combine or express at the same time, and therefore neither of the alleles shows a complete dominance. This type of dominance differs from codominance because in codominance both alleles express equally without combining or creating a new phenotype.

The case presented is an example of incomplete dominance because the allele that leads to black coat and the one that leads to white coat are combining, and therefore none of the alleles is completely dominating; also, in this case, there is a new phenotype or trait, which is the gray coat of the offspring that results from combining black coat and white coat alleles.

Incomplete dominance

Explain the cross section of leaf

Answers

cross section of leave is :

Which of the following describes a chemical property of a metal?A. reacts with acid
B. conducts electricity
C. attracted to a magnet
D. high melting point

Answers

Answer: The correct answer option (A).

Explanation:

Chemical properties are the properties which are observed in a chemical reaction like change in arrangement in atoms or change in identity of the substance.

Metals reacts with acid to form salts and hydrogen gas. In which chemical composition of pure metal changes during the chemical reaction. So, yes it is a chemical property of metals.

Whereas conducting electricity,  property to get attracted by magnet and high melting point doesn't changes the arrangement of an atoms which means they are not chemical properties of metals but are physical properties of metal.

Hence, the correct answer option (A).


answer is react to acid

Which is an effect of an increase in ocean temperature?A. Decreased transpiration
B. Decreased evaporation
C. Increased percolation
D. Increased precipitation

Answers

An increase in the temperature of oceans will result in an increased precipitation, the correct option is D.

What is precipitation?

Precipitation is any outcome of the condensation of atmospheric water vapor that tends to fall underneath the gravitational pull of clouds.

The most popular examples of precipitation are torrential rain, rain, snowstorms, snow, ice pellets, graupel, and hail.

Precipitation is the result of an increase in the temperature of ocean, as the temperature increases, it will cause the increased evaporation and will leads to an increased precipitation.

Thus, the correct option is D.

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Answer:

D increased precipitation

Explanation: