Answer:
The correct answers are
A.Layer C is younger than layer A.
B. Layer B is younger than layer A but older than layer D.
Explanation:
just took the test and got it right
Answer: All birds are warmblooded, or endothermic, animals. Birds are vertebrates because
they have backbones. All birds have a four-chambered heart, a
characteristic they share with mammals. All birds lay hardshelled eggs. Birds have only two legs. Their forelimbs have
become modified into wings for flying. All modern birds evolved
from ancestors that could fly.
Explanation:
Explanation:
Metals have various properties and are widely used in various application purposes. Metals have good conductivity and ductility property for which they are used in electrical wires like copper. They have good luster because of which they are used in mirrors.
Similarly, tungsten is used in the filament of the bulb because of the properties like electrical conductivity, ductility and high melting point. Thus the filament does not melt even if the heat production is high.
The two processes that occur before the two strands of a DNA
molecule can separate during separate during the DNA replication is that their
hydrogen bonds should be broken in between of the molecule and bases and that
the molecule and the bases of it must be also unwind.
