Help please 12. Choose the best answer.
Estimating how much it will cost to reduce a risk is part of___.

a. risk prevention

b. risk management

c. risk assessment

d. risk planning

solar energy can be renewed, so it never runs out unlike nonrenewable energy such as coal, oil, and natural gas.

now that's beneficial xd

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.