What is the top most layer of earth that is extremely dense and only somewhat thick

What are the four ways that most traits are inherited?

Because plant cells have chloroplasts and can do photosynthesis, why do they also need mitochondria

En qué le afectó el descubrimiento de los electrones y protones a la neutralidad del atomo

Describe how glands lead to the production of female/male sex cells and an embryo/fetus.

Wegener examines the location of tiny rocks and the direction of grooves formed by large glaciers scraping across southern areas of Africa, South America, Australia, Antarctia, and India.

redwoods are the tallest species of tree in the world. explain how transpiration causes water to travel from the roots to the branches of a tree this size.

During photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into sugar and oxygen. Which term best classifies the energy stored in the products of photosynthesis?

What did Chargaff discover while studying bases in the DNA of organisms? The bases in the DNA of each organism were unique. The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.

What is one way a plane can form?

Where does diffusion take place