Describe Characteristics of Elements BE
QUICK CHECK
Which statement describes an element? Check all that apply.
An element is a pure substance that cannot be broken down into a simpler form
An element is made of two or more atoms that are chemically combined
All elements are listed on the periodic table of elements
An element symbol begins with a capital letter, if there is a second or even third letter, it is a
lowercase letter
DONE
h

Which of the following is a testable hypotheses?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata