(2) CaCl2 (4) NiCl2
The answer is: B) Spills in your shop and any releases on pavement or outside should be poured down a drain.
Pouring used oil down a drain can cause damege to environment.
Oil is nonpolar substance and does not dissolve in the water (polar molecule), used oil remain existent in the drain and sewer or in the environment.
Small spills create a cumulative effect with significant impact on the environment.
Untended spills inside a shop can spread to an inside drain connected to the storm sewer system and cause floods.
Answer:
1.54x10^24
Explanation:
To convert moles to molecules, multiply the number of moles by Avagadro's number (6.02x10^23).
2.56mol × 6.02x10^23 = 1.54x10^24
O
A. A scientist should form a hypothesis, then conduct an experiment.
O
B. A scientist should draw conclusions, then form a hypothesis.
O
C. A scientist should conduct an experiment, then state the question.
D. A scientist should collect data, then state the question.
A scientist should form a hypothesis, then conduct an experiment describes the correct order for using the scientific method. Thus option A is correct.
Scientific method can be defined as to answer the question, a continuous experiment, investigation which are applied in a scientific method, includes measurable observation, develop experiment and improve a hypothesis and formulate phenomenon.
The different steps of Scientific method are involve in Making an Observation is involved the different steps like inspection, conducting the investigation by asking questions.
Asking Questions most important step and it is used to make sure that every details are known and the query can be solved quickly.
To construct the Hypothesis, it involves proper explanation of the query and it is most significant part of the scientific method.
For more details regarding scientific method, here
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Answer:
A
Explanation:
Answer:
hydrogen
Explanation:
Answer:
hydrogen
Explanation:
B. Females don't have X chromosomes so aren't affected by gene disorders passed on the X chromosome.
C. Females receive an X chromosomes from each point parent, but in cases of recessive disorders, the muted chromosome isn't passed on to daughters.
D. Females receive an X chromosome from each parent. If a mother is a carrier of an X-linked recessive disorder, her daughters have 50 percent chance of receiving her normal X chromosome and a 50 percent chance of receiving her mutated X chromosome.
Answer:
D. Females receive an X chromosome from each parent. If a mother is a carrier of an X-linked recessive disorder, her daughters have 50 percent chance of receiving her normal X chromosome and a 50 percent chance of receiving her mutated X chromosome.
Explanation:
Females have XX chromosomes as allosomes. They receive one X chromosome from mother and one from father. The female in the III generation received both the healthy X chromosomes from each parent that is why she is not even carrier for the disease.
The modified diagram clearly indicating the genotyope of all the members of the pedigree tree is attached. In the diagram, healthy X chromosome is indicated by X while mutated X chromosome is indicated by doted X. It is clear from the diagram that this female of III generation has XX chromosomes.
The cross for that particular female is shown as under:
Mother Father
ẊX x XY
/ \ / \
ẊX ẊY XX XY
XX are the allosomes of this female child.
Answer: D.
Explanation: Females have XX chromosomes while males have XY