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dedylja [7]
3 years ago
11

How are igneous rocks classified?

Biology
2 answers:
viktelen [127]3 years ago
7 0
The answer to your question is D
Rama09 [41]3 years ago
5 0
By texture and compositiom
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The correct answer is case control study.

Explanation:

A study in which a comparison is made between the patients carrying the disease with the patients not carrying the disease is known as the case-control study. In the mentioned study, the one carrying the disease is termed as cases, and the one that does not possess the disease is termed as controls.  

This form of study is generally done to predict the association between the disease and the risk factor. In case-control studies, only observation is done as no attempt is made to change the course of the condition. The prime objective of the study is to predict the exposure of the risk elements for the individuals present in two groups, that is, controls and cases. This form of study is also called case-referent studies or retrospective studies.  

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Which of these materials cannot cross the placenta from mother to fetus?
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Model J

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The smooth endoplasmic reticulum functions in many metabolic processes. It synthesizes lipids, phospholipids as in plasma membranes, and steroids.
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When 238u92 becomes , 234Th90 what type of decay has taken place?
ruslelena [56]

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number of 4 and an atomic number of 2 and a charge of +2. Alpha particles are represented as 4He2. When 238U92 becomes 234Th90, it emitted a helium nucleus 4He2. The equation for the decay is 238U92 ---> 234Th90 + 4He2.

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