Answer: A) sporopollenins
Explanation: Sporopollenin is one of the most chemically inert biological polymers. They contain mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids. They make up the outer wall of pollen grains, spores and many microorganisms.
Answer: Slips, trips and falls are the potential hazards in school
Explanation:Clean and safe water must be provided at schools.
This is true. Bonds can be ionic (transferring) or covalent (sharing)
Because of the severe impact that we impose on the land, air, and water, conservation has
become increasingly important.
Conservation is using natural resources wisely and not contributing to pollution of the land, air or water. Human activities can benefit the environment and help preserve resources.
Conservation can include small-scale clean-up projects along roadways or building fences to prevent dune erosion to large-scale beach renourishment. Planting trees is another way to support conservation as trees are too often removed without being replanted.
The phrase “Reduce, Reuse, and Recycle” has been a catch phrase of the late 20th and early 21st centuries.
Answer: Surface water is water located on top of the Earth's surface such as rivers, creeks, and wetlands. This may also be referred to as blue water. The vast majority is produced by precipitation and water runoff from nearby areas.
Explanation: