They have a negative charge.
Answer:
Two first the sponge can claim are
1. reproduce sexually
2. combine sperm and egg
The correct answer is "<span>Wrap the thumb in gauze, place in a bag and then on ice".
Wrapping the cut-off finger in gauze or in any cloth, should be immediately placed in a bag then put on ice for it to be chilled. the thumb should not be exposed directly to the ice, or it will cause ice burns, wherein it will cause the thumb to not get sewn back. the ice is used to chill the thumb, to prevent the it from decomposing, not for freezing it. </span>
Answer:
The very different characteristics of each type of DNA for each person. Each person has a distinctive set of finger prints saliva and other bodily fluids that is uncommon for anyone else to have the exact same. Hope this helps :)