Astronomers estimate that the last time C/2022 E3 (ZTF) was visible was during the time that Neanderthals were alive and a major ice age covered most of the land on Earth with huge glaciers (the comet has a 50,000-year orbit). Today, the world is obviously much different, but the awe...
Basalt is the most common volcanic igneous rock on the Earth's crust [5]. It forms from the melting of the upper mantle and its chemistry closely resembles the upper mantle composition [6]. Basalt is generally silica poor, iron and magnesium-rich rock [7]. The Egyptian Tertiary basalt occ...
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The same compounds identified in different studies were considered as a single compound with each presented with a respective reference. Flavonoids represented 41.3% of the reported bioactive compounds wherein the most dominant subgroup was anthocyanins (13.04%) followed by flavones (6.95%), flavanones...
Forestry social science is failing the needs of the people who need it most Rich nations’ fixation on forests as climate offsets has resulted in the needs of those who live in or make a living from these resources being ignored. A broader view and more collaboration between disciplines is...
The EF method can be used to evaluate anthropogenic impacts on the environment based on reference metal concentrations with low variability in their fugacity state in the crust of the earth. The most commonly used reference metals for EF are Al, Mn, and Fe [58,59]. The reference metal used...
Friends of the Earth has created a campaign to pressure supermarkets to find alternatives to single-use plastics for wrapping food.Some manufacturers are developing biodegradable plastics. There are two types currently on the market: plant-based or oil-based. One of the most common plant-based ...
Most BC is stored in terrestrial systems with some transported to the ocean via rivers and the atmosphere. However, the oceanic BC budget is not balanced, with known BC removal fluxes exceeding BC inputs. We demonstrate these observed inconsistencies using a simple ocean box model, which ...
for all animal biochemicals. More carbohydrates occur in nature than any other type of natural compound. The most abundant single organic substance on Earth is cellulose, a polymer of glucose, which is the main structural material of plants. Although carbohydrates are primary metabolites, they are ...