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Darina [25.2K]
3 years ago
5

What is a natural method to prevent the spread of weevil in food stock?​

Biology
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

Prevent Grain Weevils

Inspect all grains upon purchase.

Freeze grains for at least one week to kill any eggs.

Buy grains in small quantities and eat within a reasonable time.

Store grains in tightly sealed glass, metal, or sturdy plastic containers (not bags).

Explanation:

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All of the following contribute to the movement of venous blood EXCEPT A. ventricular systole B. pressure changes in the thorax
AlladinOne [14]

Answer:  B. pressure changes in the thorax

Explanation:

The veins are the blood vessels which returns the deoxygenated blood from all the tissues and cells of the body back to the heart. The ventricular systole, venous valves, activity of the skeletal muscles and neural control over venoconstriction all influence the movement of the blood in the venous.

The pressure changes in the thorax occurs due to inspiration and expiration. During the process of inspiration, the diaphragm below the lungs contracts and moves downward while the muscles of the ribs pulls downward. When the size of the thoracic cavity increase the air pressure inside the cavity decreases and vice-versa. The pressure inside the thoracic cavity is not related with the movement of the venous blood as it regulates the exchange of the gases not the blood.

3 0
3 years ago
What packages proteins for the transport out of the cell
stealth61 [152]
The answer you are looking for is right here, Gogli Apparatus is the answer


3 0
3 years ago
How would a geologist use absolute dating to determine the age of sedimentary layers? by dating the age of intrusions and extrus
ad-work [718]

Answer:

Radiometric dating methods

Explanation:

Absolute dating is the process of determining an age on a chronological or specified time scale in which events occurred in archaeology and geology. Absolute dating can be determined by using properties of the atoms that make up materials.

The most common method of absolute dating uses by geologists is radiometric dating methods which is based on the natural radioactive decay of certain elements such as potassium and carbon found in the rocks. By comparing the ratio of parent isotope with a known half-life to daughter product in the rock, the age of the rock can be determined.

The carbon-14 isotope is used in radiocarbon dating, but is only useful for measuring recently formed rocks in the geologic past. The decay of Potassium-40 isotope known as potassium-argon (K-Ar) method allows dating of materials that up to 1,000 billion years old.

8 0
3 years ago
Read 2 more answers
Lancelets display how many of the four major characteristics of the phylum chordata? 1 2 3 4 next
aleksandrvk [35]

The lancelets consist of approximately 32 types of fish-like maritime chordates in the order of Amphioxiformes, with an international dissemination in tropical seas and low temperate, they are commonly found half-buried in sand.  The lancelets show 4 of the major characteristics of the phylum chordata.

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6 0
3 years ago
Which statement best describes the similarities between insects and animals? (2 points)
expeople1 [14]

Answer:

1. c . The life cycles of insects and animals all start from a fertilized egg.

2. d . A bee goes through a pupa stage, while the grasshopper goes through a nymph stage.

3. b . I and II

Explanation:

The egg fertilization is very important for the emergence of almost all organisms. If the egg is fertilized then it will change into an organism otherwise no organism is produced from that unfertilized egg.  The bees has four distinct life stages i.e. the egg, larva, pupa and adult whereas grasshopper has three stages i.e. egg, nymph, and adult. A moth and an eagle both start their life cycle as a fertilized egg and moth and an eagle both hatch from an egg which is laid by the mother outside of their body..

3 0
2 years ago
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