Help me pleas Cell membranes of all cells are composed of Nucleic Acids
Carbohydrates
Lipids
O Proteins

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

What factors contribute to the effect an environmental toxin has on the human body?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water