Help me brainliest for whoever helps

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?

What are the trends and exceptions to the trends in electron affinity?