The availability of water is a problem in the developing world because, often, those countries are located in regions where water is scarce as the climate is dry or very hot, so the reservoirs of water are extremely rare and often they are under the control of the power entities, which can make the access to the resource even more difficult.
Answer:
B. massive volcano eruptions occurred frequently 80 million years ago
<u>Answer:</u>
The characteristic that is common to "all three groups of reptiles" is that they are all ectotherms.
<u>Explanation:</u>
- Almost all the reptiles are referred to as 'ectotherms' because they are all cold-blooded.
- They adjust their body temperature according to the temperature of the surrounding.
- Reptiles like snakes do not have claws or eyelids. Moreover, not all reptiles protect their eggs.
- The "sea turtles" lay eggs on the seashores and go back to the seas.
- Thus, the only common characteristic among all the reptiles is that they are all ectotherms.
Sandy, rocky, hot, barren. Or sand dunes, plateaus.
