Answer: Most rocks contain SiO2 (silica), which is a compound of silicon and oxygen that forms 74%
The species is on CITES Appendix II, but its status is poorly known. The IUCN Red-List (2007, www.iucnredlist.org) classified it as Lower Risk/Least Concern
Hello, to answer your question properly it is
C. <span>The waves emitted by the two sources have constant phase difference
Signed by, Virtuoso Sargedog
</span>
Answer:
A
Explanation: Ex: heavy fur coat great in Alaska, bad in Florida
Not B: organizms can learn behaviors but adaptation is biological.
Not C. Answer is not for basic biology.
Not D: Competition varies under factors such as environment.
Answer:
The answer is D. Kidneys absorb more water,volume of water lost from the skin increases and the hairs on the skin lie flat
