What does a thick layer of an ice core tell us? A thin layer?

After passing through the trachea, what is the next (human lung) anatomical structure that air would flow into? Question 15 options: Bronchioles Nasal cavity Larynx Bronchus Alveoli

An oceanographer discovered a deep underwater opening as shown in the illustration. the scientist classifies this as a mid-ocean ridge. is the scientist correct or incorrect and why or why not?

what evidence is there to show that changing sand to glass is a chemical change

Which structure is found in both plant and animal cells?

You coat a petri dish with fibronectin and proteoglycans and culture cells on the dish. the cells adhere to the dish. you repeat the experiment but this time add rgd tripeptides to the culture dish as the cells are added. what happens?

What happens when a magnesium ion is attracted to a chlorine ion? O A. They form a covalent bond. B. They form an ionic compound. O C. They share electrons. O D. They form a gas.

The cytoplasmic membrane is termed "semi-permeable" because some substances, like water and alcohols, can pass freely through while others, like sugars, amino acids, and ions, cannot.

How to save the amazon?

Materials used or produced by living things are?

Many virues infect only a certain type of cell because they bind to certain