Answer:
inner core, outer core, mantle, crust
Explanation:
inner core is hottest
crust is coldest
In lakes and ponds there is a whole ecosystem, with its animals and plants. Between them they are in charge of maintaining the entire habitat in favorable conditions for living. The fish tank does not have that cleaning system.
Answer:
Algae as well as other plants naturally grow in water,but excess of these plants can be detrimental to organisms that live in water. In our homes and farms we use fertilizers to give our plants nutrients. Fertilizers contain nitrogen, phosphorus, and potassium. When it rains these fertilizers are washed off into the lakes,dams and rivers. These fertilizers accelerate the growth of algae, it grows uncontrollably across covering the lake. When the lake, dam or stream is covered with algae it blocks sunlight from entering the lake, thus plants under water cannot photosynthesize, thus oxygen is not created.
Explanation:
Answer:
CF is caused by a mutation in the gene cystic fibrosis transmembrane conductance regulator (CFTR). The most common mutation, ΔF508, is a deletion (Δ signifying deletion) of three nucleotides that results in a loss of the amino acid phenylalanine (F) at the 508th position on the protein.