Natural resources will not last forever because it takes longer to renew them than the speed at which we use them. Only renewable resources, like the sun, wind, etc, will last 'forever'
Answer:
Evaporation
Explanation:
When water boils it evaporates :)
If the food type changes in a given environment, then the amount of each type of bird beak will change as birds with beaks more suited to the available food will consume more successfully over time. <span>The independent variable of the lab is the type of food that is available to the birds. The dependent variable of the lab is the frequency of each type-size and shape-of beaks. The conclusion will state that favourable traits place one species in a more optimal position to survive in a given envronment.</span>
The environment is your correct answer<span />
Fatty acids vary in their degree of saturation or unsaturation due to their number of :Double bonds