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Hace 4 días · As of 2021, approximately 7.8 million Americans from 18 to 25 carry student loan debt, with an average balance of almost $15,000. [64] For adults between the ages of 35 and 49, the average individual balance owed exceeded $42,000. The average debt for adults between 50 and 61 is slightly lower.
Hace 1 día · If emissions are attributed at the point of production, then electricity generators contribute about 25% of global greenhouse gas emissions. If these emissions are attributed to the final consumer then 24% of total emissions arise from manufacturing and construction, 17% from transportation, 11% from domestic consumers, and 7% from commercial consumers. [110]
Hace 4 días · Acetic acid can never be truly water-free in an atmosphere that contains water, so the presence of 0.1% water in glacial acetic acid lowers its melting point by 0.2 °C. [9] A common symbol for acetic acid is AcOH (or HOAc), where Ac is the pseudoelement symbol representing the acetyl group CH 3 −C(=O)− ; the conjugate base , acetate ( CH 3 COO − ), is thus represented as AcO − . [10]
20 de may. de 2024 · Immigration to Europe. Immigration to Europe has a long history, but increased substantially after World War II. Western European countries, especially, saw high growth in immigration post 1945, and many European nations today (particularly those of the EU-15) have sizeable immigrant populations, both of European and non-European origin.
Hace 4 días · In computing, floating-point arithmetic ( FP) is arithmetic that represents subsets of real numbers using an integer with a fixed precision, called the significand, scaled by an integer exponent of a fixed base. Numbers of this form are called floating-point numbers. [1] : 3 [2] : 10 For example, 12.345 is a floating-point number in base ten ...
Hace 3 días · Less often blue, green, black, translucent white, pink, violet, orange, purple, and red. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is ...
Hace 1 día · As the climate changes it impacts the natural environment with effects such as more intense forest fires, thawing permafrost, and desertification. These changes impact ecosystems and societies, and can become irreversible once tipping points are crossed. The effects of climate change vary in timing and location.
