<span>The temperature in the laboratory
The position of the Bunsen burner
The amount of air that mixes with the gas stream
these can all have an affect on the intensity of the reaction.
I hope I was helpful.</span>
The correct answer is C. Sphagnum moss
Explanation:
In biology, a renewable source of energy refers to a type of source that replenishes and therefore can be widely used to obtain energy such as wind energy or solar energy that are almost always available. On the other hand, a seedless plant is a type of plant that does not have seed and because of this, they reproduce through sperms.
All fo the plants listed (club moss, horsetail, fern and sphagnum moss) belong to the category of seedless plants; however, from this, the only one that has been widely used a source of energy is sphagnum moss because dried sphagnum moss or peat moss is used as carbon or coals source and therefore is useful for heating building and because it is a plant that grows extensively it is also a renewable source.
Answer:
Plate tectonics theory basically states the earth is made up of constantly moving massive plates of rock.
Explanation:
During weeks 17-20, quickening occurs, which is when the (d)<u> mother is able to feel the fetus move inside her womb.</u>
The period during which a fetus develops inside a woman's womb or uterus is known as pregnancy, it typically lasts about 40 weeks or just over 9 months in humans.
During the course of pregnancy, the fetus develops from being a single cell to a complete individual.
Quickening is the movement of the baby inside the mother’s womb at around 16-20 weeks of pregnancy. It assures the health and growth of the baby inside the uterus. A fetus that is growing well stimulates more quickening movements.
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