1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
meriva
2 years ago
9

Scientists believe the Earth’s core is around 6,000 degrees Celsius. Where does this heat come from? increased gravity the Earth

’s formation meteoroid impacts radioactive elements
Biology
2 answers:
aleksandrvk [35]2 years ago
8 0
I dont know if anyone knows that 
kicyunya [14]2 years ago
4 0
Gravity can be such a tricky subject to talk about I wish I could answer this I need to study more
You might be interested in
Match the following. 1. (pl. gametangia) an organ of lower plants, some protists and some fungi, that produces gametes gonad 2.
Dmitry [639]

The correct matching is as follows-

1. (pl. gametangia) an organ of lower plants, some protists and some fungi, that produces gametes- gametangium.

2. the reproductive cell in sexual reproduction- for example, the egg or sperm.

3. gamete-producing organ in animals - gonad.

4. cone-bearing plant - gymnosperm.

5. the condition of having isogametes - isogamy.

Gametangium refers to the specialized organ of algae, fungi, ferns and other plants involved in the production of gametes. A female gametangia is called the archegonia producing the egg cells and the male gametangia is called the antheridia producing the sperm cells.

Sexual reproduction is characterized by the production and fusion of the male and female gametes called the sperm and the egg respectively.

The gamete producing organ in animals is called the gonads. It is the testis in the male and the ovary in the female.

Gymnosperms are naked seeded plants. The scales or leaves modified to form the male and the female cones.

Isogamy is a type of sexual reproduction that involves the gametes of similar morphology with similar size.



6 0
3 years ago
What is a negative effect of photosynthesis for the carbon cycle?
r-ruslan [8.4K]
<span>

with more atmospheric carbon dioxide to convert to plant matter in photosynthesis, place able to grow more. Photosynthesis has no negative effect on Carbon Cycle. Carbon Cycle has a negative effect on photosynthesis.
More Carbon dioxide is not necessarily needed in Photosynthesis. </span>
6 0
3 years ago
Cultures of a bacterial species were incubated on the shelf of a refrigerator (5 C), out on a lab bench top (22 C), on the shelf
Setler79 [48]

D) Psychrotrophs.

Explanation:

  • Psychrotrophs are those bacteria which can tolerate cold temperature and have optimum growth above 15 degree Celsius.
  • Halophiles prefer high salt concentration.
  • Mesophiles prefer temperatures with a average of 37 degree Celsius.
  • Anaerobes grow in absence of oxygen.
  • In the given experiment, none of the bacterial cultures were placed in saline or anaerobic conditions. So, the bacterial species is not an anaerobe or halophile.
  • Again the cultures did not show growth at 37 degree celsius so they are not mesophiles.
  • Maximum growth at 22 degree celsius and a little growth in refrigerator make it obvious that the species is a Psychrotroph.
8 0
3 years ago
Which terrestrial biome has abundant rainfall?
enot [183]

The biome that has over 100 inches of rain each year is the Rainforest. Therefore, the Rainforest has abundant rainfall.


5 0
3 years ago
of its brightness. C. Question: How does the addition of calcium to chicken's diet affect the hardness of eggshells? Hypothesis:
klasskru [66]

Answer:

it affects the hardness of the shells because calcium has a high reactivity which causes the shell to be hard

Explanation:

5 0
3 years ago
Other questions:
  • Stem is like a street with two way traffic."" Validate the statement
    14·1 answer
  • The notion that living organisms with advantages that give them greater reproductive success (in some local environment) will su
    13·1 answer
  • Some snake venoms are harmful because they contain enzymes that increase the rate of a reaction that destroys blood cells and ti
    15·1 answer
  • To interpret ____________ denotationfigurative languageliteral languagesound in “The Caged Bird,” the reader must look at the co
    15·1 answer
  • What is the potential energy of a rock that weighs 100 newtons is sitting on top of a hill 300 meters high?
    15·1 answer
  • How does the photosynthetic reaction center differ from the chorophyll molecules in the antenna complex?
    11·1 answer
  • Which of the following is not a source of genetic variation
    14·1 answer
  • 7. Which of the following is an anaerobic activity?
    6·1 answer
  • How long does it take for mitosis to complete?
    5·2 answers
  • Regulatory enzymes are often the first enzyme in a multiple-reaction sequence. why might this be the case?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!