What is a defining feature of mammals that is not present in most other vertebrates?
a. mammals maintain a constant body temperature.
ob.
mammals reproduce through internal fertilization.
oc. mammals can produce milk for their offspring
od. mammals have a nervous system with a spinal cord.

compost can be added to topsoil as a:

pesticide

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.

i think it is d. objects resist changes in their state of motion.