Biology, 25.08.2019 04:00 arlettr12

5multiple choice:
1. which substance is not used when making a tool mark?
a. silicone
b. candle wax
c. mikrosil
d. dental wax
2. in which stage of manufacturing can the type of glass be varied between soda-lime, borosilicate, and aluminosilicate glass?
a. floating
b. changing the rate of heating the mix
c. formulating the mix
d. annealing
3. which substance would be predominate in the top layer of soil?
a. pumice
b. humus
c. calcite
d. quartz
4. which smell describes red soil?
a. flowery
b. sweet
c. putrid
d. raw eggs
5. which technique would be best for bringing out details of an oily footprint or shoe print?
a. luminol dye
b. casting with sulfur
c. photographing with direct light
d. applying dusting powder

Answers: 2

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Answers

1. The correct answer is A. silicone.
Silicone is also referred to as polysiloxanes. They are termed as polymers which include any inert. It is a synthetic compound which is made up of repeating units of siloxane. They are heat resistant and rubber-like. They are used in medicine, lubricants, cooking utensils, and electrical insulation.

2. The correct answer is C. Formulating the mix.
It is a way of marketing. There is no formula for multi-channel marketing. The most effective nowadays is multichannel and integrated.

3. The correct answer is B. humus.
Humus is termed as the dark organic matter which forms in the soil when dead plants and animals matter decays. It has a lot of nutrients which helps to improve the health of the soil and most important is the nitrogen. It affects the bulk density of soil which contributes to its retention of nutrients and moisture.

4. The correct answer B. Sweet.
The red soil is described by sweet. Sweet is something which smells good. Red soil develops to temperate, warm, moist climate which is under mixed forest. It has a thin organic and inorganic mineral layer. They are derived from crystalline rock.

5. The correct answer is B. Casting with sulfur.
Sulfur casts have both sides which have the same cast as the original.

Answer from: Quest

answer: angiosperms

dicots

angiosperms are highly evolved plants, they produce seeds which are enclosed within in a carple. these are the largest group of plants on earth. they include trees, shrubs, herbs and small flowering plants. angiosperms exhibit a flowering stage in their life cycle. the flower serves the function of reproduction and fruit formation in majority of angiosperms. dicot is the term used to describe flowering plants that have two seed leaves. dicots are plants which develop seeds which split into two parts called cotyledons. each cotyledon contains one embryo.

here, a small purple flower development indicates that the plant belongs to angiosperms and having two embryonic leaves indicates it belongs to dicots.

Answer from: Quest

The answer is energy. the arrows are showing how exited and energized the stones are.

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5multiple choice:
1. which substance is not used when making a tool mark?
a. silicone<...