A new tagging method called tap-and-go allows researchers to gather more data on the health and behavior of whales, with less disruption. By Alexa Robles-Gil In the waters off Dominica in the ...
NCERT Class 9 Science Book PDF: The National Council of Educational Research and Training (NCERT) has revised the Class 9 Science NCERT Book with the deletion of certain chapters and topics to reduce ...
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