Answer: b overreacts to an antigen
Explanation:
Answer is D. When the concentration of the substance is lower outside he cell than inside the cell.
Answer:
respuesta
Explanation:
yo se mucho o lo necesario de jardineria me se el tutorial y se lo q se necesita saber para plantar un arbol etc
se como cuidar plantas y regarlas etc
eso es lo q se lo necesario
espero ayudar
si no hablas español aqui esta mi respuesta en ingles
I know a lot about gardening, I know the tutorial and I know what you need to know to plant a tree, etc. I know how to care for plants and water them, etc. that's what i know i need I hope to help
Answer:
Yes it secretes blank to trap and particles from the air