Answer:
D) a group of feathered, endothermic dinosaurs
Explanation:
Birds are a group of endothermic dinosaurs, characterized by feathers, epidermal structures that form plumage. Warm-blooded animal species (endothermic) maintain the body temperature higher than their environment.
Answer A is false because although birds are feathered and lack teeth, they are NOT ectothermic lizards.
Answer B is false because although birds lay amniotiv eggs, birds are a different taxonomic group than mammals, and not all birds fly.
Answer C is false because although some reptiles are closely related to birds, the current scientific consensus is that birds are a group of dinosaurs. Also, not all birds fly, and although they have lost the teeth, they have NOT lost the amniotic egg.
Physics understands heat as the energy that is transferred from one system to another or from one body to another; a transfer linked to the movement of molecules, atoms and other particles. Heat is a source of energy, and as such, it needs a medium in which to transmit
<u>Infrared</u> waves have a long wavelength and do not possess sufficient energy to kill bacterial cells, while <u>UV</u> waves have a short wavelength and can be used to sterilize a surface.
- When ultraviolet light, also known as ultraviolet germicidal irradiation, is released at its most effective wavelength of 253.7 nanometers (nm), it has the greatest ability to kill germs and render microbes inert (UVGI). When transmitted at wavelengths different than those recommended, germicidal efficacy declines.
- To efficiently deliver the appropriate amount of UV radiation for the desired application, high-quality UV sterilization lamps are crucial.
- By altering cell DNA, UV radiation sterilization efficiently renders bacteria inert.
- Because DNA is necessary for cell reproduction, damage to the DNA's structural integrity prevents cells from multiplying and causing disease.
- The cell absorbs the UV rays, resulting in the formation of pyrimidine dimers.
- Instead of bonding across the double helix, this causes two nearby thymine or cytosine bases to interact with one another.
learn more about UV here: brainly.com/question/1377878
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The correct option is C.
The geosphere refers to the solid parts of the earth. All of these parts are affected when a volcanic eruption occur. When volcanic eruption occurs, it contributes to the greenhouse effect in the atmosphere because carbon dioxide which is regarded as a greenhouse gas is released into the atmosphere. Also sulphur dioxide gas is released which results in acid rain.
The answer to this is C.
In the small intestine, it consists of duodenum and ileum in simple. The duodenum is where most food is digested. Enzymes are secreted and they break down complex and insoluble food into simple small soluble molecules.
After digestion, the food will be absorbed into the body in the ileum. The food flow from the ileum into the body cells by diffusion and active transport. Villi is also present in the small intestine to help the absorption process. After absorption, the nutrients would be transferred into the cells that needed.
The rest of the food that is not absorbed is trasferred to the large intestine to re absorb the water. After that, they're feaces and they'll be egested
