In latin, the word arthropod means jointed foot. besides jointed legs and a segmented body, what other characteristic is common to arthropods? a. a pair of antennae b. an exoskeleton c. ability to regenerate when their body is damaged d. five pairs of legs

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

What will a positive and a negative charge do if they are separated from each other?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?