D. radial symmetry evolved at least twice in unrelated invertebrates groups
B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
- D
- A
- A,C,and F
<h2>Hope this helps!</h2>
Answer:
.92 A = Is
Explanation:
Is = 
We're solving for Is, so plug in all the other given numbers.
Vp = 230 V
Ip = .020 A
Vs = 5.0 V
Is = 
= .92 A
Answer:
it can get caught in equipment, catch fire or fall into chemicals
Hope This Helps :D