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lord
2 months ago
11

The graph below compares the rates of reaction of a burning candle and an exploding firework.

Biology
2 answers:
lana [2.4K]2 months ago
6 0

Answer:

The reaction that triggers a firework to detonate needs less energy to initiate and occurs at a quicker pace than the one that causes a candle to burn.

Explanation:

The rate of a chemical reaction and the energy input required for that reaction are closely related to the concentrations of the reactants within the system. Therefore, we can deduce that a higher concentration of reactants leads to a faster reaction because of the increased likelihood of molecular collisions.

Even though the candle burning reaction involves more reactants than the fireworks explosion, it requires less energy to ignite. This attribute enables the molecules of the reactants to move faster and collide more effectively, resulting in a faster reaction.

In conclusion, the initial energy needed for a firework to explode is smaller, and the reaction proceeds more swiftly compared to that of a burning candle.

vlada-n [2.5K]2 months ago
3 0

Answer:

It's A

Explanation:

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Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu
s2008m [2378]

Response:

Este es un ejemplo de dominancia incompleta. Se trata de un fenómeno genético que se manifiesta cuando un gen dominante no logra expresar su totalidad en el alelo recesivo en un alelo heterocigoto dominante.

Por ende, ambos rasgos se muestran, dando lugar a una fusión de los dos alelos para los colores (blanco y rojo). El alelo rojo dominante muestra dominio parcial sobre el alelo blanco recesivo, produciendo así el alelo completamente rosado.

Según la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas dominantes heterocigóticas deben ser R. El alelo blanco es recesivo (rr) y es enmascarado por el R rojo,

Sin embargo, al cruzar los dos alelos heterocigotos rojos:

Los fenotipos derivan en forma de

RR, (1) rojo Rr Rr (2) rosa rr (1) Blanco.

Esto ocurre porque el alelo rojo dominante no era total / completamente dominante sobre el alelo recesivo blanco en ninguno de los casos, resultando en un alelo rosa (el tercer fenotipo)

4 0
2 months ago
Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also microbes. What statement below would
Tresset [2298]

Response:

B. Microorganisms have the capability to generate distinct proteins that are beneficial for genetic investigations

Rationale:

Biodiversity encompasses the variety of living organisms present on our planet. It is a crucial aspect of ecosystems since these organisms are interconnected. Hence, a decline in biodiversity will have repercussions for the ecosystem.

When considering biodiversity, a typical person often thinks only of visible organisms, but diversity also exists among microscopic entities.

Human activities are threatening not just larger creatures but also the tiny organisms. Microbes are essential to our existence; for instance, they are utilized by researchers in the fields of genetics and molecular biology. They also produce proteins that are ingested by humans.

Therefore, Option-B is the accurate choice.

8 0
1 month ago
Which four of these developments were made under Mongol rule during the Pax Mongolica? the extension of the Grand Canal in China
Tresset [2298]

Answer:

A postal system was developed.

Gunpowder-based weaponry became widespread.

China's grand canal was expanded.

Innovative medicines were created.

Explanation:

The term Pax Mongolica describes how the Mongol Empire's conquests affected the social, cultural, and economic aspects of life for people across the extensive Eurasian regions that were conquered during the 13th and 14th centuries.

7 0
2 months ago
Read 2 more answers
Santos and Lüderitz are the same distance from the equator, and both cities are near the ocean. The air temperature in Lüderitz
garik1379 [2080]

Answer:

Factors including environmental, spatial, and topographical aspects.

Explanation:

The temperature of the air is influenced by various environmental (such as vegetation) and geographical factors, with altitude being a crucial one since it can significantly impact the level of radiation received at the Earth's surface. Recently, advanced meteorological models have been developed that can estimate air temperature based on specific conditions. These models take into account a range of factors and utilize data related to both topography and location (e.g., latitude, longitude, and altitude).

5 0
3 months ago
A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects. The 1st gr
garik1379 [2080]

The independent variable in an experiment is the one that is deliberately modified or adjusted in order to observe its effects.

In this case, the varying amounts of caffeine administered to the dogs are the factor that changes—the control group receives no caffeine, the second group gets 10 mg of caffeine, while the third group gets 50 mg of caffeine each.

Thus, the amount of caffeine given to the dogs is the independent variable being altered.

5 0
3 months ago
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