Answer:
B Presence of an atmosphere and a rock surface composition
Answer: Original Horizontality
Explanation:
The Principle of Original Horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It is a relative dating technique. The principle is important to the analysis of folded and tilted strata.
Answer:
the windowsill area is warmer
Explain
yeast reacts with heat
the windowsill area is warmer
Answer:
Explanation:
Curved S.A-πdh
Volume=πdh
22/7 ×14×10=440cm²
22/7×7×7×10=1540cm³
22/7×14x2=88cm²
440+88=528cm²
B
Csa 22/7×20×14=880cm²
Volume 22/7×7×7×20=3080cm³
Total sa
2Dπ=22/7×14×2=88cm2
88+880= 768cm²
The study in a Pennsylvania forest reveal about the environmental effects of using DDT reveals that a large number of ladybird were killed due to DDT which caused rise in the population of aphids.
DDT is a chemical that was used for killing the insects and keeping the crops safe and productive. It was later found that it has a worse effect on the lives of other non target organisms like other insects, bird and human as well.
It is also known to be associated with the phenomenon of biomagnification. It is a process of accumulation of harmful chemicals with increase in the trophic level which occurs due to continuous intake of food contaminated with chemicals that is not tolerable and causes serious implication.
To learn more about DDT here
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