What are your options. Like is it a multiple choice or like true or false
Answer:
Mark me brainliest plssssss
Explanation:
Plsssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
Answer: 
- Lead, cobalt, arsenic and selenium appear to pass the placental barrier by a diffusion mechanism. It was also found that the mercury levels in cord blood were almost double those of the mother, suggesting that the foetus may act as a filter for the maternal mercury levels during pregnancy.
Explanation:
- Have a terrific day! <3
- Make sure to thank & rate, it’s always appreciated! <3
Answer: When turned on, genes provide the code for creating protein molecules, the building blocks of physical development.
Explanation: