Answer:
D
Explanation:
disinfection i think havent really learned this
Answer:
These are the seven characteristics of living organisms;
1 Nutrition. Living things take in materials from their surroundings that they use for growth or to provide energy. ...
2 Respiration. ...
3 Movement. ...
4 Excretion. ...
5 Growth.
6 Reproduction. ...
7 Sensitivity.
Explanation:
2. Organism are classified foe easy identification.
3.classification of living things includes 7 levels:
kingdom
Phylum
Classes,
Order
Families
Genus
Species .
4.Organisms are classified into domains according to their characteristics features,habitat and mode of nutrition/ adaptation.
5.These organisms are classified together because they are made up of eukaryotic cells. Characteristics like structure, function, and method of reproduction further classify the organisms into smaller groups called kingdoms. The three domains are further divided into six Kingdoms.
6.Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.
Answer:
pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.
C. An increase in human population
