Answer:
soil erosion has been a major cause of soil degradation in north carolina for many years .it affects water quality physically,chemically and biological.damage from sediment is expensive,both economically and environmentally.
Explanation:
because the environmental damage from sediment is often cumulative,the ultimate affects and the consequences of off-site sedimentation can be severe,both for people immediately affected and those who must cope with subsequent problems.
Characters of the fossils of dinosaur indicate that
reptiles are closely related to birds
The general principle states that the present is the key to
the past. Dinosaurs are creatures of the past but from their fossils, it’s
evident that they are actually related to the present day birds. The shape of
the pelvis is one of the most common characters that link birds to dinosaurs. The
feature of the pelvic girdle shows that dinosaur-Deinonychus and the earliest
fossil bird Archaeopteryx are closely related; suggesting that birds are
closely related to dinosaurs.
Further, birds have feathers and reptiles have tough beaded
skin or scales. Although birds don’t resemble any living reptile, scientists
suggest that birds actually evolved from reptiles. One of the characteristic
that makes scientists believe so is that both birds and reptiles lay eggs and share several skeletal characteristics,
such as the way their jaws attaches to the skull. According to the fossils recovered
from the Solnhofen Limestone of Germany, it’s true to say that birds and
reptiles share a lot of characteristics. The fossils have a wishbone,
consisting of the fused clavicle bones so typical of birds and closely resemble
small theropod dinosaurs.
Another fossil in China suggest that theropods had feathers,
providing more evidence for this relationship. We cannot exhaust the
characteristics relating birds to reptiles but we have discussed some rigid and
proved evidence that relate birds to reptiles and dinosaurs.
The answer is A populations become better adapted to their environment
Number 39) is Keratin. and 40) is either c or d im not quite sure sorry
Correct Answer: Ratio
Determining a person’s reaction time would involve measurement on a
ratio scale that is expressed in milliseconds. It is a point where none of the quality being measured
exists and its scale has an absolute zero. In ratio scale, it allows comparisons
such as being twice as high or one-half as much. Additionally, in the case of a
person’s reaction time, it can be state that a response of 25 milliseconds is
twice as fast as a response time of 50 milliseconds.
