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nirvana33 [79]
3 years ago
9

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms?A) male gametophyteB) fe

male gametophyteC) male sporophyteD) female sporophyte
Biology
1 answer:
Alexxandr [17]3 years ago
4 0

The correct answer is A. male gametophyte

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Which of the following activities will help make rural societies more sustainable? A. Design energy efficient forms of transport
denpristay [2]

Answer:

The correct answer would be Option C, Multipurpose Trees.

Explanation:

With the advancement in industries and other areas of technology, the rural areas have become so much polluted. So the sustainability of the rural areas is doubtful. The air in the rural areas have become polluted and needs measures to prevent it from harmful consequences of the industrial advancements. Along with industries, the air pollution is also added through vehicles discharge, waste disposal, etc also contribute towards the non sustainability of the rural areas. So to overcome all these problems, the best solution is to grow the multipurpose trees in the rural areas as much as possible to increase the sustainability of these areas. With the plantation of trees, the problem of pollution will be controlled and thus make these areas sustainable.

5 0
3 years ago
PLEASE HELP ANSWER FAST WILL MARK BRAINLIEST AND GIVE 20 POINTS
hodyreva [135]

Answer:

its a compound

Explanation:

because it was broken down into a gas and blue powder, elements cant be broken into simpler substances.

7 0
2 years ago
Define the following terms with examples:
Mashcka [7]

1) Chordata=A chordate is an animal of the phylum Chordata. All chordates possess 5 synapomorphies, or primary characteristics, at some point during their larval or adulthood stages that distinguish them from all other taxa

2) Vertebrates=vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.

3)Invertebrates=Invertebrates are animals that neither possess nor develop a vertebral column, derived from the notochord. This includes all animals apart from the chordate subphylum Vertebrata. Familiar examples of invertebrates include arthropods, mollusks, annelid, and cnidarians.

4) Poikilothermic animals=A poikilotherm is an animal whose internal temperature varies considerably. Poikilotherms have to survive and adapt to environmental stress.

5) Homeothermic animals=The term homeothermic refers to the warm-blooded animals which have constant and relatively higher temperature. They are animals which can maintain their internal body temperature. Complete answer: Homeothermic animals are warm-blooded and maintain a constant body temperature, for example birds and mammals.

6) Oviparous= producing young by means of eggs which are hatched after they have been laid by the parent, as in birds.

7)Vivaparous=bringing forth live young which have developed inside the body of the parent

Sorry if it's incorrect

Have a nice day

3 0
2 years ago
Eric places some room-temperature strawberries into his freezer. Which of the following correctly describes what happens to the
Arisa [49]

Answer:

The heat from the strawberries transfers to the freezer and causes the strawberries to freeze.

Explanation:

When Eric-palces some room temperature strawberries into the freezer, he is changing the temeprature of the strawberries. When the strawberries are in the room tempertaure, they are absorbing certain amount of heat.

When they are placed in the freezer they are releasing the heat to the environment and this leads to condition called as phase change. Due to this phenomenon, the heat from the strawberries transfers to the freezer and causes the strawberries to freeze.

5 0
3 years ago
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_______ stimulates the release of insulin, a hormone that transports glucose from the blood into the muscles.
mrs_skeptik [129]
B. Protein stimulates the release of insulin
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