The activity for Enzyme A and Enzyme B are displayed on the graph below. Enzyme A is found in thestomach and Enzyme B is found in the intestinal tract of some animals.

What is the probable pH of the stomach?
F. 1
G. 2
H. 3
J. 4

Answer:

B. They use symbols to represent land features.

Explanation:

In Geography, topography can be defined as the shape and structure of the Earth surface. Thus, a topographic map is used to graphically describe this features.

A topographic map can be defined as an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of the Earth.

A topographic map uses contour lines to represent points of equal elevation above sea level such as mountains, hills, plains, valley etc.

The two-dimensional model of a topographic map graphically represents the height of a mount and the steepness of a slope through the use of contour lines.

Contours can be defined imaginary lines used for connecting locations that are having similar elevations on the Earth's surface. These contour lines are typically used for modeling the three-dimensional shape of the Earth surface in a topographic map.

Hence, the statement which best describes how maps represent Earth's surface is that, they use symbols to represent land features.

Answer:

B. They use symbols to represent land features.

Explanation:

Answer:

Explanation:

hgd

Answer:

Bones are composed of two types of tissue:

1. Compact (cortical) bone: A hard outer layer that is dense, strong, and durable. It makes up around 80 percent of adult bone mass.

2. Cancellous (trabecular or spongy) bone: This consists of a network of trabeculae or rod-like structures. It is lighter, less dense, and more flexible than compact bone.

Also found in bones:

osteoblasts and osteocytes, responsible for creating bone

osteoclasts or bone resorbing cells

osteoid, a mix of collagen and other proteins

inorganic mineral salts within the matrix

nerves and blood vessels

bone marrow

cartilage

membranes, including the endosteum and periosteum

Explanation:

Answer:

Thinnest under the oceans and thickest under continents

Explanation:

Answer: Thinnest under the oceans and thickest under continents

Question: "Scientists are looking to determine the primary productivity of a lake by analyzing its oxygen net primary productivity. How are scientists able to measure how much oxygen is used during a plant’s cellular respiration processes?"

Answer: "Out of all the options given, the best way for scientists to have the chance to measure the usage of oxygen during a plant's cellular respiration processes would be by 'observing cellular respiration under the absence of light'. So, I would say the best option would be Option D. "

To measure how much oxygen is used during a plant’s cellular respiration processes, scientists did by observing cellular respiration in the absence of light, hence option D is correct.

As a result, in the absence of photosynthesis, there would be no glucose or oxygen for respiration, and since photosynthesis requires carbon dioxide, only anaerobic respiration would be possible.

Examining a lake's oxygen net primary production, researchers hope to ascertain the lake's primary productivity. By monitoring the output of oxygen or the intake of carbon dioxide, primary productivity is typically calculated. The standard unit of measurement for production rates is grams of organic carbon per unit area per unit of time.

Therefore, observing cellular respiration in the absence of light.

Learn more about cellular respiration, here:

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Answer:

A well-balanced breakfast includes foods from at least three out of the five food groups. Whole grain breads and cereals; low-fat dairy products, and fruit are typical breakfast choices. Choosing a high-fiber cereal with low-fat milk or yogurt for breakfast has been linked to improved weight or weight loss.

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Answer:

Whole grains, low-fat dairy products, fruit, lean protein

Explanation:

Whole Grain- Cereal, toast, whole grain waffles

Dairy Products- Milk, yogurt

Fruit- Apple, grapes, oranges, etc.

Lean Proteins- Eggs or nuts

Answer:

1. Individuals in a species vary in characteristics because of differences in their genes.

Individuals will be born with various characteristics due to their genes for instance some people are short and other are tall.

2. Individuals have to compete when resources (such as food)  are limited.

Resources are generally limited so individuals would have to compete t get those resources and survive.

3. Individuals with variations that help them get more of the  resources are more likely to survive.

Some of the characteristics that these individuals have which are different will give them an edge and enable them to get more resources and thus survive.

4. Individuals that survive can pass their genetic variations on to  their offspring.

The individuals that survive will now have offspring and will pass on their genes to their offspring which give give them the same edge their parents had.

5.   Over time, there are more individuals with the variations that  are well adapted to the environment.

Eventually there will be more of those offspring that can adapt as opposed to those who couldn't and keep dying out.

Answer:

The subcellular structures found in bacteria are: cell wall, cytoplasmic membrane, cytoplasm, ribosomes, vacuoles, plasmids, nucleoid —circular DNA— and annexes, such as pili, cilia and flagella.

Explanation:

Bacteria are unicellular prokaryotic organisms, characterized by a simple structure, lacking a nucleus and most of the organelles, with a circular DNA molecule that is free in the cytoplasm.

The sub-cellular structures present in the bacetry are

Answer: floor

Explanation:

Fossils are structures which provided information about animal adaptations

to climate change.

Fossils refers to remains of living organisms which have been replaced in the form of rock particles due to its presence in the soil for a long period of time.

The fossils contain an understanding of the structures and characteristics

the animals had which is then compared to its present structures. This helps

to explain how the animals adapted to climate change through changes in

the structure, shape of parts of the body.

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Answer:

1) 20, 40.078, 20, 20,20,

2) proton, 4, 1

Explanation:

not an expert so I hope this is correct :)

Answer:

blank 1. 20

blank 2. 40

blank 3. 20

blank 4. 20

blank 5. 20

blank 6.  proton

blank 7. 4

blank 8. 1

Explanation:

Answer:

when added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA strands could gather and clump,making it easier for you to see them.

Answer:

d. grasshoppers

Explanation: ground beetles dont fly or anything like that. gnats are to small for a net. ants are also to small for that

Answer:

gametes is the answer so the male and female reproductive cells are collectively know as gametes

Answer:

b gametes

Explanation:

These sex cells are also called reproductive cells or gametes.

Answer:

rock that forms when melted rock (magma, lava) cools and hardens

Explanation:

Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust.

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Answer:

minus 234 degrees Fahrenheit  or minus 145 degrees Celsius

Explanation:

Answer:

A purebred organism can either be TT or tt.

It is possible for two genetically different plants to have the same phenotype.

Explanation:

Answer:

Maritime tropical air masses originate over the warm waters of the tropics and Gulf of Mexico, where heat and moisture are transferred to the overlying air from the waters below.

Explanation:

Answer:

The organism's genotype encodes their phenotype because the genotype corresponds to the characteristic that is determined by genes —formed by fragments of DNA— which are transcribed into mRNA to be translated into amino acid sequences in the synthesis of proteins, determining the morphological and functional characteristics of an organism, that is, its phenotype.

Explanation:

Genotype corresponds to the genetic information contained in the DNA, according to the sequence of nucleotides in its molecular structure. This genotype includes characteristics or polymorphisms that define the appearance and function of living beings.

Each DNA molecule constitutes a chromosome, formed by genes —DNA fragments— each of which determines specific characteristics.

When DNA is transcribed into mRNA, information is being sent that is necessary for the incorporation of amino acids into a protein that is being synthesized. The proteins, in turn, determine morphological and functional characteristics that constitute the phenotype of an individual.

Answer:

all white

If students are stuck on this one, advise them to make a "key" to help them sort it out.

PP = purple, Pp = purple, pp = white

Explanation:

Answer: sporophytes photosynthesise, particularly when immature, but depend on gametophytes for at least 50% of nutrient requirements

Explanation: In mosses, the gametophyte generation is the dominant generation unlike in higher plants. The diploid sporophyte generation produces several spores per capsule.

Answer:

c

Explanation:

[tex]\text{because if there are buffers that area could be saltier or sweeter.}[/tex]

[tex]\text{hope this helps! have a nice day!}[/tex]

Answer:

It causes global warming due to emission of carbondioxide gas.

Explanation:

Volcanic eruptions change the flow of energy on earth by emitting gases such as carbondioxide and sulfur dioxide gases. Volcanic gases like sulfur dioxide is responsible for global cooling by reflecting solar radiation back to the space, while on the other hand, carbon dioxide emitted from volcanoes, has the ability to promote global warming by blocking solar radiation. If the amount of carbondioxide gas is higher as compared to sulfur dioxide gas so global warming occurs.

Answer:

The closer a continent is to the equator, the warmer it will be.

Explanation:

The middle of the earth is its largest point, and is therefore closer to the sun than any other area. It is also in more direct sunlight, and has warmer climates.

Answer:

Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.

Explanation:

Answer: Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.

Explanation: Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle. About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland.

Answer:

It is very simple...

Explanation:

just answer it with your own thoughts of life....

Answer: Just look up water cycle images on the internet. You can also make it look like the water droplet is going through some hardships along the way.

Answer:

The hardness of a mineral is mainly controlled by the strength of the bonding between the atoms and partly by the size of the atoms. It is a measure of the resistance of the mineral to scratching, the Mohs scale is for natural minerals.

Answer:The ones that are tightly bound together look different than do ones with looser bonds. For example, in the illustrations below, (A) shows the atomic structure of carbon in a diamond, and (B) is the carbon arrangement in graphite. (A) is more compact than (B), hence it is harder.

Explanation:Rocks are made of minerals, and different minerals have different crystal structures. The chemical bonds that hold atoms together in these minerals are stronger in some than in others, and the atoms themselves determine which bonds are stronger than others.

Answer:

They will move inside the cell cos the concentration inside the cell is too low

Explanation:

hope it helps

Answer:

2nd option

Explanation:

Answer:

Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.

Explanation: