Can I please get the answer ?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain