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2.Allergens cause an allergic reaction. T<span>heir immune system produces antibodies, that are triggered depending on what substance it is.
3.Asthma is classified as an allergy because substances may trigger asthma and sometimes they do not, just like how certain substances cause the allergies.
Hope this helped!</span>
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No. Gender traits in humans are largely determined by biophysical processes. There seems to be a vocal political faction that is trying to convince people in the name of liberty and equality that gender traits are completely learned, and therefore arbitrary.
But this claim disagrees with scientific evidence. In general, boys play more with cars and girls play more with dolls not because their parents are perpetuating outdated gender stereotypes, but because their brain is telling them to.
This fact does not mean that boys have to play with boy toys, or that boys who play with dolls aren't really boys. It is just a scientific observation about average behavior and its link to fetal development
The correct answer to this question is letter A. Speciation. <span>The Galapagos finch species are an excellent example of speciation. It was Charles Darwin himself who is responsible and made the start of the study in Genetics through his natural selection and survival of the fittest. Hope this helps answer your question.</span>
The trees dont take in co2 cause there are none cutting off the oxygen cycle
Answer:
there want to eat healthy and and it profited two two ways its contibuted to 37 million and healthy lifesytle
Explanation: