Which type of rock forms when an existing rock changes under extreme pressure and intense

1 answer:

8 0

Hornfels is a metamorphic rock that can form when a rock is subjected to high temperatures (extreme pressure ). Hornfels, which often forms when magma or lava touches other rock, is non foliated. Heat and pressure changes both igneous rocks sedimentary rocks into metamorphic <span>rocks. hope this helps! :)</span>

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Two molecules that can cross a lipid bilayer without help from membrane proteins are o2 and co2. what property allows this to oc

Dennis_Churaev [7]

Two molecules that can cross a lipid bilayer without help from membrane proteins are oxygen and carbon dioxide. The property that allows this to happen is that both oxygen and carbon dioxide molecules are nonpolar which means that they can pass easily through the hydrophobic part of the membrane. The lipid bilayer is present in all cell membranes. It consists of two layers of the fat cells which are arranged into two sheets. It functions as a barrier which marks the boundaries of the cell. The inner part of a lipid bilayer is nonpolar since it is composed of the hydrophobic end of the phospholopids.

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2 years ago

How would I find the answer?

ELEN [110]

Answer:

Explanation:

The noble gas that is isoelectronic with Br⁻ is krypton.

This is because krypton is the closest noble gas to Br on the periodic table.

Electronic configuration of Bromine is;

2, 8, 18, 7

Br⁻ becomes; 2, 8, 18, 8

Krypton is; 2, 8, 18, 8