Answer:
JSJXJX
Step-by-step explanation:
CF<DC<DE<DF<FE
The answer would be C, oxygen because there was not a sufficient amount.
90 ones would make 9 tens. It makes 9 tens because theres a 0 after 90. The 0 represents another place value. You can write this as 9 groups of ten
Answer:
21
Step-by-step explanation: