8. A narrow region between two air masses of different densities is a A. ridge. B. system. C. gulley. D. front.

Answers

Answer 1

Answer: The answer is d. front. A front is the narrow region between two air masses of different densities. The interaction of the air masses cause the mass that is less dense to rise. Once air rises it cools and condenses to form clouds and eventually leads to precipitation. Using cold fronts as an example, the denser mass of cold air forces the lighter warm air to rise.

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Chlorophyll traps _____ from sunlight.a. oxygenc. hydrogenb. energyd. glucose
The best indicator of the efficiency of exercise isa. muscle soreness. b. exhaustion level. c. sweat rate. d. heart rate.
If you rubbed a piece of topaz against a piece of Quartz, what would happen?
Shona is buying a rug for her room. Store A has the rug for $45 with a 10% discount. Store B has the same rug for $46 and is offering a $10 rebate. The sales tax is 6% on either purchase. Shona only has $40 to spend. Which of the stores can she afford to buy the rug from, and how much will she have left over?A. Shona can afford the rug in store A. She will have $2.93 left over. B. Shona can afford the rug in store B. She will have $1.84 left over. C. Shona can afford the rug in store B. She will have $2.93 left over. D. Shona can afford the rug in store A. She will have $1.84 left over.

According to thw big bang theory of the orgin of the universe the universe has expanded from a hot dense state into a vast, cooler state. What would be considered scientific evidence supporting this theory

Answers

The scientific evidence is that the distant galaxies are moving away from us at a very high speed. This gives us an idea that the universe was once joint and suddenly exploded after the big bang and started to expand at a speed faster than light.

Which of the following poses the greatest risk for species extinction?a.
expansion of human cities
b.
increased levels of pollution
c.
intense hurricane activity
d.
UV radiation and the hole in the ozone layer

Answers

a expansion of human cities

expansions of human cities because it happens directly takes away where they live. pollution is a negative but not as life threatening. Hurricanes dont happens over and over again in the same area in a small period of time unlike human expansion and the uv radiation is affect us humans too.

Farm animals can be classified based on what

Answers

Answer:

SEE BELOW

Explanation:

Farm animals are classified based on the following: Size, Habitat, Mammals, Non-mammal, and their types of stomach.

Mammal or non mammal, on land or not

9. Which of the following accurately describes the process of translation? A. Each codon calls for a specific nucleotide.
B. The process continues until a ribosome reaches AUG.
C. Each tRNA molecule has a codon that matches an mRNA anticodon.
D. The process continues until a ribosome reaches UAA, UAG, or UGA.

Answers

The process of translation involves each codon calls for a specific nucleotide. The answer is letter A. during translation, an mRNA sequence is read using the genetic code to be translated into the 20-letter code of amino acids.

which of the following hormones has a different effect when it is released in males instead of females?

Answers

Answer;

Follicle- stimulating hormone (FSH)

Explanation;

-Follicle stimulating hormone is produced by the pituitary gland. It regulates the functions of both the ovaries and testes. Lack or insufficiency of it can cause infertility or sub-fertility both in men and women.

-Follicle stimulating hormone is one of the hormones essential to pubertal development and the function of women’s ovaries and men’s testes.

-In women, this hormone stimulates the growth of ovarian follicles in the ovary before the release of an egg from one follicle at ovulation. It also increases oestradiol production. In men, follicle stimulating hormone acts on the Sertoli cells of the testes to stimulate sperm production.

Human sex characteristics and biological-oriented behaviors are sometimes the cause of the hormonal release inside the gland organs in the human body. For instance, in males testosterone is the hormone or gland which is responsible for the many functions of the male sex characteristics.

Cyclostomata, like lamprey eels and hagfish, _____.a. feed on other fish or invertebrates
b. have cartilage skeletons
c. reproduce by internal fertilization

Answers

Cyclostomata, like lamprey eels and hagfish, have cartilage skeletons. The correct option among all the options that are given in the question is option "b". Lamprey eels and hagfish do not have any bones in their body. Hagfish are either predators or scavengers. On the other hand, Lampreys that feed on detitrus as well as scavenge.

Answer: b. have cartilage skeletons

Cyclostomata is a group of Agnatha class. It comprises of jawless fish species like lampreys and hagfishes. They have jawless mouth, epidermal structure that function as teeth. The name Cyclostomata suggests round mouth. The fertilization and development in these fishes is external to the body and the offspring do not get the parental care. These animals are cold blooded and exhibit a cartilaginous skeleton. They have two chamber heart. They feed on other fishes and mammals.

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A cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. Which phase of mitosis is the cell most likely in?a. Telophaseb. Anaphasec. Metaphased. Prophase