Ever heard that kids are naturals when it comes to learning a language? Or maybe you know someone who gets easily discouraged from attending a second language course because they say they’re too old. Whatever you might have heard about this, whether you can remember or not, I’m positive it’s related to one of the most famous linguistics debates, which has been around since the 1960s.
Answer:
Las teorías extraterrestres o de panspermia sugieren que la vida existió en el espacio exterior y fue transportada por meteoritos, asteroides o cometas a una Tierra receptiva. En este caso, el origen de la vida no está relacionado con los posibles entornos de la Tierra primitiva.
Explanation:
The best way to prevent cholera is to promote healthy sanitation practices and to filter and treat drinking water sources. Cholera bacterium is usually found in water or food sources that have been contaminated by feces from infected person with cholera. It is mostly found and spread in places with inadequate water treatment, poor sanitation, and inadequate hygiene.
The answer is false.
Reducing carbon footprint has no effect on carbon emissions. Carbon emission is reduced by lower carbon footprints. As you read national geographic,China and USA are doing nothing to help. Instead, china tripled their coal used recently.
Answer: B. secrete enzymes that kill bacteria
Explanation:
Paneth cells, so-called because they were first described by Dr. Josef Paneth in 1888, are pyramidal cells, with the nucleus in the basal position, and with large granules in the apical position. Its first isolated specific product was the lysozyme, a bactericidal substance, by Alexander Flemming. These cells play an important role in innate immunity in the small intestine, producing a wide diversity of antimicrobial peptides and enzymes such as lysozyme itself, cryptidines, defensins and a lectin with bactericidal properties.