-25 percent (1/4)

-100 percent (4/4)

-50 percent (2/4)

-0 percent (0/4)
What’s the answer please??

Everything in the universe was created when the big bang occurred and the universe is expanding. So, the correct option is (A).

The Big Bang theory is an attempt to explain what happened at the beginning of our universe. Major discoveries in Astronomy and Physics have explained that our universe actually had a beginning. Before that moment there was nothing and after that jump there was something  which is our universe.

According to the widely known theory, our universe sprang into existence as "singularity" which goes back around 13.7 billion years ago. Singularities are basically zones which flout our knowledge of physics. They are assumed to be present at the core of "black holes."

Black holes are regions of enormous gravitational pressure. The pressure is assumed to be so extreme that finite matter is actually squished into infinite density (a mathematical concept which truly boggles the mind). These zones of interminable density are called "singularities."

Thus, everything in the universe was created when the big bang occurred and the universe is expanding. So, the correct option is (A).

Learn more about Big Bang theory, here:

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Answer:

Either small fish or zookplanton

Explanation:

Answer:

cold coastal area

Explanation:

since the hurricanes occur this often it must be in coastal area

Answer:

I believe it's warm coasted area, not entirely sure tho

Explanation:

Answer:

The one all the way over to the left, the dark blue one. I hope this helps!

Explanation:

Answer: first one

Explanation: The brain uses the nerves to tell the muscles when to move. The nerves also deliver information on what to do in a fight or flight case

Answer: c

Explanation:

Answer:

1: a

2: d

3: b

4: c

5: d

6: b

7: b

8: c

9: c

10: d

Answers proven from test book. :)

Answer:

5. Plant Cells

6 a. Flagella

6 b. Cilia

7. Vacuole

8. ?

Cell Types

1. Eukaryote

2.  Prokaryote

Answer:

nniiii him jjijjjbjbhbijjhh oj

Answer: 1, 5, 2, 3, 4.

Explanation: Using process of elimination layer four should be the oldest and the only one that has layer four last is number 2. Therefore I assume it is number 2.

Answer:

Explanation:

Grasses, shrubs, trees, mosses, lichens, and cyanobacteria are some of the many producers found in a grassland ecosystem.

Answer:

D. Lipids are insoluble in water. This allows lipids that make up biological membranes to regulate the entry and exit of many substances.

Explanation:

Answer:

Humans would look exactly alike

Explanation:

An allele which is a variation of a gene which expresses a particular trait(Phenotype).

For example, if humans have a gene for eye color but has different alleles for the color being black or brown for example, their phenotypes are different since the alleles are different.

But, if the alleles for the eye color are all the same, the eye color and every other phenotype would be the same. So, there would be no variations in eye color, height, color of skin etc. So, all humans would thus look alike having one set of genes for the different traits.

Explanation:

Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.These proteins provide structure and support for cells. On a larger scale, they also allow the body to move.

Rock formation is driven by solar energy

Answer:

a.

Seashell creation is driven by internal energy

Explanation:

Answer:

Genotype

Explanation:

A genotype is represented by two letters, called alleles, and describes the genes of an organism. Phenotype means the physical characterisitics of an organism. Chromosomes and appearance are irrelevant to this question. Hope it helps :)

Answer:

C) genotype

Explanation: I took the test

Answer:

The correct answer is -muscular system and skeletal system.

Explanation:

The skeletal system and the muscular system work together to move the body or body parts. Different types of tissues form the muscular system that and their action on bones controls the movement of the body in vertebrates.

Tendons are tough muscles that attach with the bones and joints allow the movement by contraction of muscle that helps in moving bones from joint. Muscle normally acts by contracting and relaxing in pairs.

Answer:

carbon and hydrogen

Explanation:

elements used in the photosintheses

Answer: Your correct answer would be both A & B.

Explanation: A is the correct answer because both of these models are in fact models of our solar system. The geocentric model had Earth at the center of the solar system with all the other planets and sun rotating around us. The heliocentric model is the accepted model of our solar system today with the sun at the center and planets rotating in slightly elliptical fashions around it due to gravitational pull. B is also correct because as I just explained, both models position Earth in relativity to the sun though both models vary greatly. The aim of both of these models was to specify where Earth was exactly in the solar system. I hope this has been of use to you! Please do not hesitate to ask if you have other questions :)

The two correct statements about the geocentric and the heliocentric model are:

The geocentric model

The geocentric model has the assumption that the earth is at the center of the universe. The sun and the planets are said to revolve around the earth in this model

The heliocentric model:

The heliocentric model has the assumption that the sun is at the center of the universe. The earth and the planets revolve around it.

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Explanation:

I tnought this will help you

If DNA code consists of only four nitrogenous bases, still it produces so much variety among organisms of the same species with the help of Codons and amino acids sequences.

Nitrogenous bases may be defined as a molecule that contains nitrogen and possesses the chemical properties of a base. The nitrogenous bases that are found in DNA are Adenine (A), Guanine (G), Thymine (T). and Cytosine (C). Uracil (U) is present instead of Thymine in RNA.

There is a total of 4 nitrogenous bases that are found in DNA and RNA. Each codon codes with the help of three nitrogenous bases. So, total variations = [tex]4^3[/tex] = 64.

But there are only 20 amino acids that are commonly known. Some codons are stop codons, they do not code for any amino acids. While some codons code for the same amino acids.

Therefore, If DNA code consists of only four nitrogenous bases, still it produces so much variety among organisms of the same species with the help of Codons and amino acids sequences.

To learn more about DNA structure, refer to the link:

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Answer:

Although scholarly debate continues about the exact causes of the Revolution, the following reasons are commonly adduced: (1) the bourgeoisie resented its exclusion from political power and positions of honour; (2) the peasants were acutely aware of their situation and were less and less willing to support.

Explanation:

brainliest?

Answer:

The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction.

Explanation:

Answer:

Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.

Explanation:

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Answer:

A: 100%

Explanation:

We get one allele from each parent, one from mom and one from dad. Hope it helps :)

Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.

Explanation:

Answer:

2.4g

Explanation:

i got the same question and got it right

Answer: A BIOME is an area of the planet that shaves similar conditions of climate, fauna (animal life), flora (plant life) and geography . The correct option is 1.

Explanation:

BIOME is defined as large natural terrestrial ecosystems which shares similar conditions of climate and consists of plants and animals that equally have common characteristics with their environment. The word terrestrial is used because plants form the bulk of the community in an ecosystem. The type of vegetation in a biome is largely determined by climatic factors, especially rainfall and temperature. Regions throughout the world which have similar climates have similar biomes. This causes zones of different biomes to occur from the equator to the Arctic and to the Antarctic. For example,

--> in equatorial and tropical areas where temperature is high all the year round tropical forests occur;

--> in temperate regions coniferous and deciduous forests occur;

--> while treeless plains (tundra) are found in the cold arctic regions.

Climates also changes with height above the sea level.

Answer:

bacteria and archaea

Explanation: Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus