Acompany resource weakness or competitive deficiency:
a. prevents a company from having any distinctive competence
b. usually stems from having a missing link or links in the industry value chain
c. causes a company to fall into a lower strategic group than it otherwise could compete
d. all of the above

D. All of the above.

Explanation:

A company resource weakness or competitive deficiency is basically anything a company lacks or doesn't do rightly which puts it at a disadvantage in the marketplace.

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.

the answer is cell division : )