Inconclusive DNA results indicate _____.
O human error.
O a perfect match.
O a nearly perfect match.
O the two profiles do not match.

Answer: I would pick scenario 3.

 Explanation:

It talks about a relevant factor in a local state. More and more trees are being chopped down today. This can make a community lack natural and fresh air.

According to the diagrams. the following statements which is true is the upper part of the Venus' troposphere is about 200°C colder than the upper part of the Earth's atmosphere. Thus, the correct option is B.

As the elevation increases, there is less air above us thus the pressure keeps on decreasing. As the pressure decreases, air molecules spread out further and expand in air, and the temperature of the atmosphere decreases.

Temperature of the atmosphere decreases with the increase in altitude because the troposphere is warmed from below, through the absorption and re-emission of incoming solar radiation by the Earth's surface, rather than it is being warmed from above through the incoming solar radiation.

According to the given diagram, the statement which is true is that the upper part of Venus' troposphere is about 200°C colder than the upper part of Earth's.

Therefore, the correct option is B.

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Answer:

Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. ... Cross-pollination happens when the wind or animals move pollen from one plant to fertilize the ovules on a different plant. The primary purpose of a flower is reproduction. Since the flowers are the reproductive organs of plant, they mediate the joining of the sperm, contained within pollen, to the ovules — contained in the ovary. Pollination is the movement of pollen from the anthers to the stigma.

Explanation:

Answer:

      Alternation of generations occurs in plants, where the sporophyte phase is succeeded by the gametophyte phase. The life cycle of a flowering plant. The angiosperms were the last of the seed plant groups to evolve, appearing over 100 million years ago during the middle of the Age of Dinosaurs. Reproductive parts of the flower are the stamen and carpel. Often the carpel is referred to as the pistil, the female parts collectively termed the gynoecium. The androecium is the individual units of the androecium are the stamens, which consist of a filament that supports the anther.

     Pollen Pollen grains, from the greek palynos for dust or pollen, contains the male gametophyte phase of the plant. The outer part of the pollen is the exine, which is composed of a complex polysaccharide, sporopollenin. Hypothesized steps in the evolution of the carpel. Nonvascular plants, the mosses, and liverworts have the gametophyte phase dominant. Vascular plants show a progression of increasing sporophyte dominance from the ferns and "fern allies" to angiosperms.

Brainlist Pls!

Answer:

according to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants. Hope this helps! :)

Answer: B

Explanation: because the dna are a double helix and do have a chance to split a little more and let me know if you passed

An ecosystem is a structural and functional unit of ecology where the living organisms interact with each other and the surrounding environment. In other words, an ecosystem is a chain of interactions between organisms and their environment.

Answer:

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue.

Parts & Functions Of an Ecosystem

The functions of the ecosystem are as follows: It regulates the essential ecological processes, supports life systems and renders stability. It is also responsible for the cycling of nutrients between biotic and abiotic components. It maintains a balance among the various trophic levels in the ecosystem.

What are the major parts of an ecosystem? An ecosystem includes soil, atmosphere, heat and light from the sun, water and living organisms.

Challenges For An Ecosystem

Some of the primary challenges include, but are not limited to, habitat loss, climate change including sea level rise, and levee stability.

The Role and Function of Water

Water cycle have several impacts on the nature - it takes part in weather, erosion and watering plants.

In short term it is positive, to see green grass and trees, not just bonedry dead nature.

In longer term we can see weather changing, clouds made of tiny drops of water coming and leaving - changing humidity (important for fungi and liches), local temperature changes etc.

Longest takes erosion and it is mostly about changing soils structure and nutritients for plants. Erosion can be also seen on riverbeds - in soft rocks/soils being wider, in harder rocks narrow. Also sedimentation in delta is important for development of border ecosystems.

Water makes organisms live and rocks move, that is the importance of water cycle.

Have a wonderful day! :-)

Answer:

On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate. When this happens, the ocean plate sinks into the mantle. Water trapped in the rocks in this plate gets squeezed out.

Explanation:

It can be concluded that the mass of salt and water gets lighter as the salt dissolves.

Answer:

Fraternal twins are dizygotic and Identical twins are monozygotic.

Explanation:

Fraternal twins are dizygotic, meaning that they developed from two different eggs fertilized by two different sperms. Their genetic code is as similar (or dissimilar) as any other siblings. Identical twins are monozygotic, meaning that they developed from the same fertilized egg, and so have nearly identical genetic code.

Answer:

Adrenaline rush aka fight or flight response

Explanation:

Epinephrine adrenaline and norepinephrine a release to focus attention on the task at hand heart rate and blood pressure increase delivering oxygen to the muscles for flight. The eyes take in more light to increase visual acuity and more sugar is released into the bloodstream to increase energy. Functions like digestion, reproductive, and urinary system are slowed

The proposed solutions that could lessen the damage of potential earthquakes are establishing the ledge barrier on shelves, always anchoring the large appliances to walls employing protection cables or straps.

An earthquake may be defined as an impulsive violent trembling of the ground, generally causing tremendous devastation, as an outcome of motions within the earth's crust or volcanic action.

The costs of proposed solutions are a little bit expensive, while it results in the benefit to save and escape your life from earthquake activity to a larger extent.

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Answer:

cools down and water helps it

Explanation:

Answer:

wave b has the higher frequency

Answer:

b wave has the higher frequency

Protista 

Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is usually no cell wall, although some forms may have a cell wall. They have organelles including a nucleus and may have chloroplasts, so some will be green and others won't be. They are small, although many are big enough to be recognized in a dissecting microscope or even with a magnifying glass. Nutrients are acquired by photosynthesis, ingestion of other organisms, or both.

Answer:

A and T form two hydrogen bonds with one another, while G and C form three hydrogen bonds with one another.

Explanation:

Answer:

Have a good day!

Explanation:

Answer:ike a blowtorch, the heat transforms deep rocks into oozy magma

Explanation:

Answer:

Like a blowtorch, the heat transforms deep rocks into oozy magma. The magma rises upward until it erupts onto the seafloor. When the sizzling lava (which is what magma is called when it erupts) hits the cooler water, it hardens into an underwater volcano, the heat transforms deep rocks into oozy magma

Explanation:

Answer:

c Compaction and cementation

Explanation:

Answer: The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors. After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.

Explanation:

1) Manifest Destiny: The US Government wanted settlers to move onto the Plains as they needed the land to be settled and farmed and for communities and towns to grow up and expand. This was needed if the USA was to be a rich and successful country. The government therefore promoted the idea of Manifest Destiny.

Answer:

1

Explanation:

Answer:

C

Explanation:

Bulls are a more extreme version of a cow. A cow is like a mother who cares for her children while a bull is like a rowdy person who does weird and unpredictable things at times. That's why when people hear the word wild cow, they don't usually get frightened but when they hear the word wild bull, they kind of get afraid.

Answer:

I'd have to say that cells are grouped by function and specialty. Many of the same type of cell are joined in a common task. Muscle cells are joined to form a specific task. Different cells in the body form into different organs and structures to form the whole body.

In art, pointillism uses dots of various sizes and colors. These dots are arranged so as to produce a specific visual effect. The entire work is composed of many individual points to form the whole picture.

In this way, we can equate the body's various cell to dots in a work of pointillism.

Explanation: