"Ward's® Thermochemistry In The Bag Inquiry Demonstration Activities"

Hardened natural cement of calcium carbonate that binds other material such as gravel, sand, clay, and silt.

Preserved specimens in resin material.

Preserved specimens in resin material.

Poecilia reticulata.

Specimens to supplement the most widely-used college lab manual for physical geology.

Specimens to supplement the most widely-used college lab manual for physical geology.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

Brazil.

Clear to yellow translucent.

Brownish gray, translucent.

Yellow to orange crystal with a glassy luster and smooth, often transparent appearance.

For consistent readings underwater.

Increase acidity and promote moisture retention with this soil mixer, which can help you start seeds, rootings, transplants and cuttings. 1.35kg.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

China

China