You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
15
Each one of those letters represents a nucleotide. So to find out how many nucleotides are in the gene, just count them
However, keep in mind that this only represents 1/2 strands that make up DNA. If you are supposed to include the other strand, simply double 15, and there would be 30 nucleotides total. However, only 1 strand is actually required in order for protein synthesis to work, so I think it's just 15.
The carbon that plants need for photosynthesis comes from (carbon dioxide gas in the atmosphere)
Question for number 4 is C
<span>The primary hypothesis is that they were led to extinction by hunting by humans.
I hope this helps! :)
Have a wonderful day!</span>
