The powdered iron is magnetic, but the powdered sulfur is not. If they both form a mixture in a beaker at room temperature the iron retains its magnetic properties.
<u>Explanation:</u>
Mixing of iron with sulfur, No chemical reaction occurs. This a type of physical reaction so no changes occur.
The iron retains its magnetic properties. If this mixture is heated for a certain degree celsius.
Then it undergoes a chemical reaction. The iron mixed with the sulfur to form iron sulfide(FeS).
This statement is false. W<span>omen sit on their knees laying both legs on one side.</span>
Answer: Climate refugees are people who are forced to relocate because of the climate in their region.
Recently the number of climate refugees has been increasing mainly with climate change around the world, people find themselves increasingly without leaving but to leave their region in search of a safe place to live.
The Guatemalan, Honduran and El Salvador groups are trying to flow to the United States because of the poverty, violence and especially the dry climate of the region. An abnormal warming is happening in the equatorial Pacific Ocean range. All the lack of rain and great seasons of drought have threatened the plantations.
A disadvantage of the trichromatic theory of color vision is that It cannot adequately explain afterimages. Option C
This is further explained below.
<h3>What is
a trichromatic theory?</h3>
Generally, According to this theory, the retina has three unique color receptors: red, blue, and green.
These three color receptors, when combined with one another, have the potential to produce the perception of any hue.
In conclusion, The fact that the trichromatic theory of color vision is unable to effectively explain afterimages is one of the theory's many shortcomings. Alternative B
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Answer:b
Explanation:I got it right