This is all i know about caves: Caves are large, natural holes beneath the surface of the earth. Underground passages and caves are found in rocky landscapes across the world. They are found in areas with a lot of limestone, a common type of rock. They can be created in various ways, but most caves are hollowed out of rock by water.
Answer:
D
Explanation:
Icebergs form when chunks of ice break off from glaciers
Answer:
D) An original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.
Explanation:
- Semi-conservative replication refers to two strands of DNA unzip, and a new strand is assembled onto each 'conserved' strand.
- The replicated double helix consists of one old strand and one newly synthesised strand.
- It describes the structure of DNA, a twisted helix of two strands with bases joining the strands.
Answer:
Metales alcalinos
El grupo 1A (o IA) de la tabla periódica son los metales alcalinos: hidrógeno (H), litio (Li), sodio (Na), potasio (K), rubidio (Rb), cesio (Cs) y francio (Fr). . Estos son (excepto el hidrógeno) metales suaves, brillantes, de bajo punto de fusión y altamente reactivos, que se empañan cuando se exponen al aire.
Explanation: