Chemistry

Extremophiles are microorganisms that A) live in harsh environments that would kill other ...

Started by FButt

What is Teflon used for? A) food wrap B) nonstick cookware C) bullet-proof vests D) garbage ...

Started by Arii_bell

Acid rain is a major problem for lakes with a limestone bedrock. Indicate whether the statement ...

Started by nautica902

Which of the following statements BEST describes the action of enzymes in living systems? A specific ...

Started by brutforce

Herbicides are chemicals that are used to kill weeds. Indicate whether the statement is true or ...

Started by Melani1276

Acid rain results in the release of more magnesium ions from soil. Indicate whether the statement ...

Started by luminitza

An organic molecule that must bind to an enzyme to make it function properly is a(n) A) ...

Started by mckennatimberlake

Nitrate contamination of water is more common in farming areas than in urban areas. Indicate ...

Started by nautica902

The pendant group in polypropylene is a(n) A) benzene ring. B) chlorine atom. C) ethyl group. ...

Started by Tirant22

A preemergent herbicide should be applied to fields when seedlings are at least six inches high. ...

Started by skymedlock

Atrazine disrupts normal estrogen function and has been linked to sexual abnormalities in frogs. ...

Started by saraeharris

Zeolites are solids and much more easily removed than catalysts that are dissolved in the reaction ...

Started by Jkov05

Organic farming uses no synthetic fertilizers or pesticides. Indicate whether the statement is ...

Started by Tirant22

Zeolites can often be regenerated simply by soaking them in a salt solution. Indicate whether the ...

Started by kamilo84

Mesoporous zeolites have pore diameters that are less than 2 nm, while microporous zeolites have ...

Started by jjjetplane

Nano materials have been thoroughly tested and shown to be safe, because they are too small to be ...

Started by HCHenry

The major use of water in the United States is for public water supplies. Indicate whether the ...

Started by sarasara

The sugar in the nucleotides of RNA is A) glucose. B) lactose. C) ribose. D) ...

Started by scienceeasy

Each U.S. farm worker currently produces enough food for 105 people. Indicate whether the ...

Started by c0205847

In the vulcanization of rubber, sulfur A) is inserted into the carbon chain. B) breaks long ...

Started by imanialler

Over 10 of the earth's population is seriously malnourished. Indicate whether the statement is ...

Started by Shelles

Elastomers are synthetic polymers that mimic the properties of A) vulcanized rubber. B) ...

Started by joblessjake

Styrene-butadiene rubber (SBR) is a A) condensation polymer. B) vulcanized rubber. C) ...

Started by sheilaspns

The most important feature that distinguishes one DNA molecule from another is (are) A) the type ...

Started by Wadzanai

An early source of phosphorus for agriculture was ________. Fill in the blank(s) with correct ...

Started by B