She produced the key from her pocket and opened the trunk in my presence-this was a great honor for me, for the venerable trunk had never before been opened in the presence of another person-and immediately there wafted out of it a strange yet familiar scent, a scent of age, a smell of the distant past, of years which have been folded up and stored away. A. sightB. tasteC. touchD.. sound

cell regulation is conducted by special proteins.

1: most common garden plants prefer loam — soils with a balance of different-sized mineral particles (approximately 40% sand, 40% silt, and 20% clay) with ample organic matter and pore space. however, some plants grow better in sandy soils, while others are well-adapted to clay soils.

2: available water capacity is the maximum amount of plant available water a soil can provide. it is an indicator of a soil's ability to retain water and make it sufficiently available for plant use. available water capacity is the water held in soil between its field capacity and permanent wilting point.

3: it is the same for all living things (plants and animals). it also includes very tiny organisms that our eyes cannot see. they are known as microorganisms, and include viruses, bacteria and fungi.