Common mistakes and misconceptions
Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits.
Answer:
D
Explanation:
It doesnt pollute things by being burned, like other energies do like coal
Explanation:
The environmental noise and sound signals are associated with an increased incidence of arterial hypertensiont,heart failure and stroke
Answer:
Living organisms use oxygen and release CO2 during respiration.
Test tube A consists of snail which continuously uses the oxygen produced and releases carbon dioxide.
Hence, test tube A will have the highest concentration of carbon dioxide.
