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The National Association for Research & Therapy of Homosexuality (NARTH), which describes itself as a "professional, scientific organization that offers hope to those who struggle with unwanted homosexuality," disagrees with the mainstream mental health community's position on conversion therapy, both on its effectiveness and by describing sexual orientation not as a binary immutable quality, or as a disease, but as a continuum of intensities of sexual attractions and emotional affect. The American Psychological Association and the Royal College of Psychiatrists expressed concerns that the positions espoused by NARTH are not supported by the science and create an environment in which prejudice and discrimination can flourish.

What does NARTH stand for?
Answer: The National Association for Research & Therapy of Homosexuality
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Amensalism is an interaction where an organism inflicts harm to another organism without any costs or benefits received by the other. A clear case of amensalism is where sheep or cattle trample grass. Whilst the presence of the grass causes negligible detrimental effects to the animal's hoof, the grass suffers from being crushed. Amensalism is often used to describe strongly asymmetrical competitive interactions, such as has been observed between the Spanish ibex and weevils of the genus Timarcha which feed upon the same type of shrub. Whilst the presence of the weevil has almost no influence on food availability, the presence of ibex has an enormous detrimental effect on weevil numbers, as they consume significant quantities of plant matter and incidentally ingest the weevils upon it.

What organisms is the ibex in an amensalistic relationship with?
Answer: weevils
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The major application of uranium in the military sector is in high-density penetrators. This ammunition consists of depleted uranium (DU) alloyed with 12% other elements, such as titanium or molybdenum. At high impact speed, the density, hardness, and pyrophoricity of the projectile enable the destruction of heavily armored targets. Tank armor and other removable vehicle armor can also be hardened with depleted uranium plates. The use of depleted uranium became politically and environmentally contentious after the use of such munitions by the US, UK and other countries during wars in the Persian Gulf and the Balkans raised questions concerning uranium compounds left in the soil (see Gulf War Syndrome).

What percentage of high-density penetrators is not made up of depleted uranium?
Answer:
12%