1. Which of the following is not a factor to consider regarding recycling? a. cost of producing recycled product
b. amount of recyclable material on hand
c. demand for recycled products
d. the effort to put scratch paper in the recycle bin

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from