Carol is working on her family farms to produce better variety of crops, which give higher yields. Which process should Carol use to create a better variety of crops?

Which is one step that teens can take to advocate for food security in their communities? ask local gyms for free memberships. visit their mayors to present ideas on how to increase the availability of local yoga classes petition parks departments for walking trails. write letters to the editor of the local newspaper about a lack of full-service grocery stores.

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

Apatient receives 250 ml mg of oil drug at noon 6 p.m. and midnight the drug has a half life of 6 hours how much does a drug remain in the patient at 6 a.m. the next day