Answer:
The combination of all the forces acting on an object is the net force. Forces may work together or they may be opposite forces. Two or more opposite forces are balanced forces if their effects cancel each other and they do not cause a change in an object's motion.
Explanation:
Answer:
A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.
Answer:
They are broken down first.
Explanation:
Proteins are too big to be directly absorbed through the cell membrane. Digestive enzymes break them down into amino acids, which are small compounds that make the protein structure. They can be taken into the cell through the membrane.
The answer to this question is the Silurian strata. These are spores of the Psilophytes which appeared at the end of the Silurian period. The spores have been found in early Silurian rocks in Libya. Psilophytes did not have roots or leaves, but has branches carrying spore sacs that grew from an underground vine.
