1.0Learning & Education Portalhttps://astan.lk/al_virtualclassroomAdminhttps://astan.lk/al_virtualclassroom/author/astan-preceptor1/Hydrosphere - Learning & Education Portalrich600338<blockquote class="wp-embedded-content" data-secret="xdQ8ZrwRD2"><a href="https://astan.lk/al_virtualclassroom/hydrosphere/">Hydrosphere</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://astan.lk/al_virtualclassroom/hydrosphere/embed/#?secret=xdQ8ZrwRD2" width="600" height="338" title="“Hydrosphere” — Learning & Education Portal" data-secret="xdQ8ZrwRD2" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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Water quality Physical Parameters (i) Temperature Temperature should less than 40 0C. Hot water accelerates the biological processes. It reduces the dissolved O2 and affects the aquatic organisms. (ii) pH Value • A pH range of 6.0 – 9.0 appears to provide protection for the life of fresh water fish and bottom dwelling invertebrates. • […]