friends please answer this question
pls if you know type otherwise don't answer
Answers
Answer:
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Explanation:
21) hydrogen
22)No of neutrons= Mass no - Atomic no
= 39-19
= 20//
23)J.J Thomson
24)Heaviest fundamental particle,Neutron
25)Anode rays consist of positively charged particles.They are deflected by electrical and magnetic fields
26)
Answer:
23 .Karl Ferdinand Braun, 21.protium,. 24.top quark. ,26.Natural resources are resources that exist without any actions of humankind. This includes all valued characteristics such as commercial and industrial use, aesthetic value, scientific interest and cultural value. On Earth, it includes sunlight, atmosphere, water, land (includes all minerals) along with all vegetation, and animal life.[1][2][3][4], 26 forest is an area of land dominated by trees.[1] Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing and ecological function.[2][3][4] According to the Food and Agriculture Organization definition, a forest is defined as land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds in situ. It does not include land that is predominantly under agricultural or urban land use[5].
Explanation:
.