The answer is c mediastinum
If the lower case letter indicates the recessive gene, then there is 0% chance of someone with genotype ee to have a dominant, detached earlobe, appearance
Ima go with water bc u need water to survice
Around the world the most significant restriction on access to potable water is money. While access to raw water sources, clean or otherwise, is important, the purification process itself is expensive.
The most likely explanation for showing fewer organisms at each feeding level going up the pyramid is that Some energy is lost to the environment as Heat