what are disadvantages of using pesticides

Answer:

A

Explanation:

Answer:

C. The direction of motion.

Explanation:

Answer:

De-o-po-si-ti-on

Explanation:

Measures to prevent oil spills include stricter shipping regulations, such as requiring double-hull liners, and managing spills using technologies like skimmer ships and dispersants.

To prevent oil spills, several measures have been implemented. These include stricter regulations for oil transport, like mandating double-hull liners in new ships to protect against spills, which dropped the amount of oil spilled from ships significantly during the 1990s. There are also enforcement measures against land-based leaks, such as those from filling up gas tanks, improper disposal of motor oil, and leaky storage tanks. Technology has advanced to better manage spills, using tools and strategies such as floating booms, skimmer ships, controlled burns, and dispersants like Corexit 9527 to break down the oil faster. However, each cleanup method carries pros and cons, affecting the environment and ecosystems in different ways.

The answer is Condensation.

Answer:

Beat more baleen whales

Explanation: 

Smaller toothed whales are secondary consumers of fish. If the fish population declined, the populations of leopard seals, elephant seals, and penguins; animals which make up a large portion of the whales' diet; would likely also decline. 
To survive, the smaller toothed whales would have to eat more animals that feed primarily on krill instead of fish, such as seals (not leopard or elephant seals) and baleen whales.

Answer: B

Explanation:

Answer: My score is 10/10 because work overload, few hours of sleep, and lack of time to finish university work.

Explanation:

During transcription, RNA polymerase synthesizes RNA complementary to DNA, maintaining sequence with modifications (e.g., T to U substitution).

1. During transcription, the original sequence of DNA is maintained in the newly synthesized RNA strands with certain modifications:

2. RNA polymerase binds to the DNA template and synthesizes a complementary RNA strand, following the rules of base pairing (A-U, G-C).

3. While the overall sequence is maintained, there are some differences:

4. Thymine (T) in DNA is replaced by uracil (U) in RNA.

5. Transcription may not cover the entire DNA sequence; only specific regions (genes) are transcribed into RNA.

6. Additionally, RNA processing, such as splicing and post-transcriptional modifications, can alter the final RNA sequence.

7. Despite these modifications, the essential information encoded in the DNA, such as the sequence of amino acids in a protein, is preserved in the newly synthesized RNA.

8. Therefore, while the exact nucleotide sequence is not identical, the fundamental genetic information is conserved throughout transcription.

Differences in the density of water can also cause currents to form and move. Density is affected by temperature and salinity. Cold water or water with dissolved salts (higher salinity) is denser than warm water or water without dissolved salts (low or no salinity).

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Answer:

c

Explanation:

Are people who drink tea, happier then others who don't,, thats the answer.

Nuclear because, its nuclear.

Oxygen is essential for aerobic organisms, and humans, flatworms, and ferns have evolved different methods to obtain it: humans use lungs, flatworms rely on diffusion through their skin, and ferns utilize stomata on their leaves for gas exchange.

Oxygen is crucial for the survival of all aerobic organisms as it is essential for carrying out metabolic functions. Different organisms have evolved various mechanisms for obtaining oxygen, depending on their size, shape, and habitat. Larger organisms require specialized respiratory systems due to the increased diffusion distance and the decreased ratio of surface area to volume that comes with a larger body size.

Humans obtain oxygen through their well-developed respiratory system which includes the lungs and respiratory passages. Oxygen is inhaled into the lungs, where it diffuses into the bloodstream and is then transported throughout the body.

Flatworms have a simple body plan that allows for oxygen to be obtained directly through diffusion across their skin, suitable for their small size and flattened shape.

Ferns, being plants, use their leaves to absorb oxygen from the air at night and also produce it during the daytime via photosynthesis. They have pores called stomata that open and close to regulate the intake of carbon dioxide and the release of oxygen.

Answer:

Hydrochloric acid reacts with zinc metal to produce hydrogen gas, zinc chloride, and heat.

Explanation:

The chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.

Hydrochloric acid also known as muriatic acid is an aqueous solution of hydrogen chloride. It is a colorless solution with a characteristic pungent odor that is classified as a strong acid and is a component of gastric acid in the digestive tract of most animal species, including humans.

Physical properties such as the boiling and melting points, density, and pH of hydrochloric acid depend on the concentration of hydrochloric acid in water. It is colorless with a very pungent odor.

The reason hydrochloric acid dissociates into hydrogen and chloride ions is because it is a polar covalent compound and therefore ionizes when it is added to water.

Thus, the chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.

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It is 100% Parasitism.

Parasitism is a relationship between two organisms were one organism, or the parasite feeds at the cost of the other organism or host. Ticks and dogs, these are two things a pet owner dreds to see. The tick is considered the parasite because it can get on to a dog and carries diseases with it. One disease is called the Rocky Mountain spotted fever, this can be harmful to the dog and can have it become very ill.

Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A, as the blood cells are placed in a hypotonic solution, such as pure water, the concentration of solutes outside the cells is lower than the concentration inside the cells.

Blood cells are surrounded by a selectively permeable membrane that controls the movement of substances in and out of the cell. The movement of water across this membrane is influenced by the concentration of solutes (ions and other dissolved substances) on either side of the membrane. If the concentration of solutes is higher outside the cell than inside, water will move out of the cell in an attempt to equalize the concentration of solutes on both sides of the membrane. This can lead to cell shrinkage, known as crenation.

Hence, Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A

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In the study of heredity, the relationship between DNA bases and traits is crucial. DNA is made up of nucleotide base pairs, which determine the sequence of genes and the expression of traits.

In the study of heredity, the relationship between DNA bases and traits is crucial. DNA is made up of nucleotide base pairs, which are the building blocks of DNA. Different combinations of these base pairs determine the sequence of genes, which in turn determines the expression of traits. For example, different alleles of a gene coding for hair color can result in individuals having different hair colors.

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Answer:

true

Explanation: