Increase in air pollution: public transport
decrease in trees: plant new trees
loss of bird habitat: nesting boxes
endangered aquatic species: regulate recreational activities
Answer:
DNA is made of chains of four smaller molecules called "Nucleotides".
Explanation:
A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine) in DNA is known as a nucleotides.
The potential energy changes into kinetic energy. :)
I believe the answer is true. Humans have a digestive track, which removes unwanted matter from the body.
