Answer:
b. The infant must be breathing on his or her own before you cut the cord.
Explanation:
The umbilical cord link the mother and the baby throughout the pregnancy. It consists of two arteries and a vein, which carry the nutrients and oxygen that the baby needs to develop healthily. The umbilical cord is cut after delivery so that the child begins to breathe autonomously. In general, it is cut a few seconds after the birth of the baby, when the infant begins to breathe independently.
The answer to this question is CHROMATOGRAPHY.
Chromatography is method of separating mixtures. There are two forms of
chromatography, it is preparative and analytical. Preparative chromatography is
separating mixture to be used later. While analytical chromatography is
separating mixture in a smaller amount.
Answer:
Explanation:
A community structure is define by the diverse organism present and the various number of species.
A community requires both biotic and abiotic factor to form a good structure.
Base population is needed - this are the primary producer, that transfer energy to other organism in the environment. The produce their food themselves.
Consumers - consumers feeds on producers, herbivores animals feeds on producer/plant while carnivores feeds on herbivores. Energy is then transfer when they chemical reaction takes place via the food comes
Decomposer - They act on the dead and remains of plant and animal. They help release nutrient back into the soil. Example of decomposer is earth worm.
Thallus, holdfast and sessile colonies are used to describe algal colonies.
Thallus refers to a primitive plant like body that is not divided into root, stem and leaves.
Holdfast is a special structure that is used for anchorage to the substratum.
Sessile colonies are such colonies that uses holdfast to attach itself to the substratum.
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