Option b is correct..
Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
Answer:
Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients. Mitochondria are also responsible for generating clusters of iron and sulfur, which are important cofactors of many enzymes
Explanation:
The heart is made of involuntary cardiac muscle. to help you remember, cardiac is defined as “relating to heart” so if you’re ever stuck in this question again, look for the word “cardiac” and “heart”
Answer:
<h3><em>-Enzymes are proteins that control the speed of chemical reactions in the body.</em></h3><h3><em>
Explanation:</em></h3><h3><em>Enzymes are catalysts for chemical reactions in living things. Enzymes, like other catalysts, lower the activation energy and increase the rate of chemical reactions.</em></h3>
Answer:
Endoplasmic reticulum: Sac filled with digestive chemicals
Ribosomes: Small structure that synthesizes proteins
Golgi body ( Golgi apparatus): Stack of membranes that packages chemicals
Lysosome: Structure that manufactures ribosomes
Mitochondria: Structures that converts nutrients to energy
Cell membrane: Membrane that surrounds and protects the cell.
Explanation:
I'm learning this too in school so I know this is right!
