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Three soil scientists examining a farm land sample. Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 December 2024. There are 2 pending revisions awaiting review. Gas in an atmosphere with certain absorption characteristics This article is about the physical properties of greenhouse gases. For how human activities are adding to greenhouse gases, see Greenhouse gas emissions. Greenhouse gases trap some ...
A Fermi gas is an idealized model, an ensemble of many non-interacting fermions.Fermions are particles that obey Fermi–Dirac statistics, like electrons, protons, and neutrons, and, in general, particles with half-integer spin.
Flora Malesiana is a multi-volume flora describing the vascular plants of Malesia (the biogeographical region consisting of Indonesia, Malaysia, Singapore, Brunei, the Philippines, and Papua New Guinea), published by the National Herbarium of the Netherlands since 1950.
Image source: Getty images. Zscaler. Zscaler (NASDAQ: ZS) is a cybersecurity company whose Zero Trust Exchange platform protects its customers from cyberattacks and data loss. With more ...
The outside of the stem is covered with an epidermis, which is covered by a waterproof cuticle. The epidermis also may contain stomata for gas exchange and multicellular stem hairs called trichomes. A cortex consisting of hypodermis (collenchyma cells) and endodermis (starch containing cells) is present above the pericycle and vascular bundles.
A young North Carolina woman was doused in gasoline and set on fire by a sick suspect who then fled — leaving her heartbroken mother wondering, “How could they do this to my baby?”
Methanogens are anaerobic archaea that produce methane as a byproduct of their energy metabolism, i.e., catabolism.Methane production, or methanogenesis, is the only biochemical pathway for ATP generation in methanogens.