Every time energy is transferred in an ecosystem, potential energy is lost.
a) as heat.
b) due to weather.
c) because some animals die.
d) when it is recycled back to producers.

i think the answer is

mass

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…