Answer: Hm can you go into depth?
Explanation:
Answer:
Processes of rock formation : Erosion & weathering, dissolution
Explanation:
Rocks are naturally occurring solid mass, or aggregate of minerals / mineraloil matter.
Processes that form rocks :
- Erosion & weathering - breaks down mountains & boulders into sediments
- Dissolution - Chemical weathering, acidic water wears away stones gradually
Hello,
The Cell Membrane is described as selectively permeable because it allows only certain molecules or ions to pass through the membrane by active transport or passive transport.
Attached is the image to which model 1 refers to. I found the exercise on the internet.
The phospho part of the the structure is the one with the phosphate group (

³⁻): one atom of phosphorous (P) with four atoms of oxygen (O) attached. It has various functions depending on which biological molecule is present.