Answer:
Wind
Tides
Geothermal energy
Explanation:
1. Wind does not contaminate and is inexhaustible.
2. Tides are due to gravitational interaction with the Moon and Sun and the Earth's rotation, so it is classified as inexhaustible.
3. Geothermal energy is renewable because heat is continuously being produced inside the Earth, at the core.
Vitamin C, ascorbic acid, is one of the most important vitamins found in citrus juices, including orange juice.<span> The temperature and storage time affects the percent of vitamin C content of orange fruits and orange juice. Different varieties of oranges also have different levels of vitamin C. The mid-season variety, Pineapple Orange had the highest levels, followed by the main early-season variety, Hamlin Orange. The late-season Valencia Orange had the lowest vitamin C content. Additionally, it was found that the longer the Valencia Orange fruit stayed on the tree, the lower the vitamin C level. </span>
Unlike light sound cannot travel through a vaccum. An example of a vacum is outer space. You can see lights from space, but can not hear sounds from space
I have to say airborne infections. If the infection is airborne it can travel and infect many people more quickly and wide spread.
The outer coverings that are tough but, flexible provided protection to the land plants.