Answer:
Sonar
Sound waves used for measuring the distance of an object are called Sonar.
Answer:
The questions about GMO:
1. Which are the potential risks of GMO and consequences on human health?
2. Is GM foods safe?
3. How are GM foods regulated nationally?
4. What are the most common GM foods?
5. What further developments can be expected in the area of GMOs?
Karen is NOT correct. This is because the sun's energy is a renewable resource. This means that its use is sustainable hence it is a substance of economic value that can be replaced or replenished in the same or less amount of time as it takes to draw the supply down. Though the sun is a finite resource, it cannot be depleted within human timescale.
Its characteristic is the high temperature and the division of two seasons: rainy in summer and dry in winter. In regions affected by this type of climate, it is not possible to notice the change of seasons.
