Вопрос № 1054932 - Экология

The building structure was lightened to ______ interiors graceful and ethereal.

Timber is wood, suitable for building and structural 1 ______.
There are over 4000 2 ______ in common use throughout the world. The best and most commonly used softwoods popular for structural work in many 3 ______ are redwood, whitewood, pine, red cedar, sequoia, beech and some others. As to the hardwoods, the best known ones include beech, 4 ______, blackwood, chestnut, elm, mahogany,  maple, myrtle, oak, rosewood, walnut and some others.

To keep biodiversity in agricultural eosystems (as it is shown in the picture) the following must be applied:

The factors of internal environment consistence providing the life of animals in extreme cold conditions are as follows:

Adaptive biorhythms differ from purely physiological ones due to the fact that they were formed as adjustment to …

In the picture you can see anaerobic sewage disposal plant, i.e. methane-tanks. The fuel obtained by means of anaerobic methane decomposition of organics is called …