- Sensory neurons
- Sweat gland
- Stratum
basale
- Dermis
- Hypodermis
- Sweat pore
- Stratum
spinosum
- Stratum
corneum
- Dermal
papillae
- Epidermis

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101

ice cream

explanation: