Answer: a. A survey to access the oral needs of school children or adults including a visual inspection of the mouth.
Explanation:
The basic screening survey is a tool which was developed by the Association of the State and Territorial Dental Directors. This is conducted to monitor the oral health of the children as well as the adults. It involves the visual inspection, dental carries, oral examination for the tooth decay and other evaluations related to the oral health.
Answer:
Vermicast.
Explanation:
Vermicast are worm castings, worm manure, or worm faeces.
Answer:
Vermicast.
Explanation:
lol I copied his answer to get points LOL
Answer:
False, it is only represented by one class: Crinoidea (sea lilies).
Explanation:
Echinoderms (phylum Echinodermata) are marine organisms that comprises more than 6,000 species. These animals are deuterostomes that are differentiated to have an ambulacral vascular system and a pentameric symmetry. Echinoderms are divided in the following classes: 1- Ophiuroidea (snake stars), 2-Asteroidea (sea stars), 3-Crinoidea (sea lilies), 4-Holothuroidea (sea cucumbers) and 5-Echinoidea (sea urchins), which can be easily distinguished by anatomical and ecological characteristics.
Answer:
A few ways could be
-toxic waste
-trash and plastic
-sewage
-indirect contamination
-bacteria and parasites
-mining
-burning fossil fuels
-direct marine dumping
-oil leak
-chemical pesticides
Explanation:
These are the 10 I found and came up with but there are many detrimental ways that we directly and indirectly effect the pollution of water.
B)Base
C) Both
Answer:
C: A solid metal ball in the middle of a pool of liquid.
Explanation:
Since the student is studying the earth, the core area is made up of a solid metal ball in the middle of a pool of a liquid.