Answer:
c
Explanation:
If you wanted to reduce health risks, why make more?
oxygen flow is low and his lungs do not have a lot of capacity
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
Because electrons are “pulled” towards the oxygen.
Inheritance of Traits by Offspring Follows Predictable Rules. Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism.