Sublimation and Deposition are two types of phase changes. Sublimation is when a solid goes to a liquid and deposition is when a gas goes straight to a solid.
Sublimation and Deposition are phase changes. Sublimation is an endothermic process and deposition is an exothermic process.

Types of Proteins and their function in the human body
Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. Proteins are put together at ribosomes from a blueprint stored in DNA and more specifically from sections of the DNA called genes. There are 20 different types of amino acids that can be combined to make a protein. The order of amino acids determines each protein’s unique shape and its specific function or job.

Let’s take a look at 5 important functions of proteins
Messenger Proteins.
Enzymatic Proteins
Structural Proteins
Defensive Protein
Storage and Transport Proteins

What is the pH scale? The letters pH stand for the potential of hydrogen and is a measure of the concentration of hydrogen ions in a water-based substance?
pH is organized into a scale of acids and bases with neutral. substances right in the middle
The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.
pH is also organized by color. Red usually indicates an acid and blue usually represents a base.
In the video, I cover many pH examples including examples of acids you find around you and examples of bases.

Invertebrates make up 97 percent of all animals. In this video, I show a large amount of diversity that invertebrates contain. Invertebrates are animals without an internal skeleton. They can be soft like worms, have a shell like a snail, or have an exoskeleton like insects and spiders.

0:00 Introduction
0:13 Invertebrates
0:50 Starfish
1:17 Porifera
1:31 Annelida
1:45 Arthropods
2:15 Echnoderms
2:34 Cnidarians

When the earth or moon fall between the sun and one another shadows are created. In this video, I demonstrate what an umbra, penumbra and an umbra look like.
The umbra is the darkest portion of a shadow.
The prenumbra is the lighter edges of a shadow.
The antumbra is the shadow created at the end of the umbra

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Ecological Succession occurs when an ecosystem has a disturbance and must regrow. Succession is all about change.
There are two main types of succession, primary and secondary.
Primary occurs when an area has been almost destroyed and little life or soil remains.
Pioneer species are the first plants to regrow.
Secondary succession occurs where you have a disturbance but the soil remains.

The endomembrane system of eukaryotic cells is a transportation system inside plant and animal cells.
It consists of the nuclear membrane, rough and smooth ER the Golgi apparatus, and vesicles.
Ribosomes which are protein factories of the cell can be found on the rough er these ribosomes create proteins and then transfer these proteins into the ER where they undergo modifications, such as folding. These modified proteins may be absorbed into the membrane of the Er or packaged into a vesicle that may travel to the Golgi apparatus.