Ihave two shells joined with a hinge, and i use a siphon to filter water to feed myself. to which group of animals do i belong?

a.
gastropods

b.
cephalopods

c.
annelids

d.
bivalves

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.