Conduction because the heat is coverted from the sun to the sand to her foot
If CO2 was in very small amounts then it would be the limiting factor of photosynthesis, this means the process will take place at a much slower rate because it is lacking one of the raw materials it needs for the process to occur. To find the optimum light intensity you really need all other factors to be at optimum levels or in abundance.
Answer:
its different for everyone pero probably it starts at around 13 yrs old
Explanation: