Why might archaeologists unearthing the terracotta soldiers be at risk of lead exposure?

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is