The correct answer is: A-Cities on the ocean would be in danger of flooding.
Melting of ice caps can cause excessive flooding which is very dangerous as it would destroy homes, habitats, and lives. Polar ice caps and ice glaciers which are on higher altitudes melt faster and consequently raise river water levels as well causing floods. Other consequences of ice cap melting are:
• Climate change (warming)
• Shortage of Fresh Water
• Rise in sea level
• Reduced Agricultural Output.
Answer:
1. False
2. True
3. True
4. False
Explanation:
In mammals, the contraction of the heart muscle is caused by pacemaker cells localized within the sinoatrial (SA) node. These cells rhythmically generate slow electrically-induced action potentials due to their slow rate of depolarization. The pacemaker cells generate the action potentials that propagate through the heart and trigger the contraction of myocyte cells (i.e., myocytes simply conduct the action potential waves). The slow depolarization of pacemaker cells occurs during diastole, i.e., during the period of relaxation of the heart muscle.
True, everything is made up of matter
