PLEASE BE CONFIDENT ABOUT YOUR ANSWER Which of the following statements is FALSE?
the value of the ID attribute

a. may not start with a number
b. must be unique within each document
c. must not start with a special character
d. should be lowercase?

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

Which factor is the most important when choosing a website host? whether customers will make secure transactions the number of email accounts provided the purpose of the website the quality of the host control panel

The valves of the heart and veins are similar in that they both