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
DENIUS [597]
3 years ago
13

Do you have a summative in Grade 9 science?​

Biology
2 answers:
sasho [114]3 years ago
7 0

Answer:

yes I have

Explanation:

why did you ask

sukhopar [10]3 years ago
3 0

Answer:

check with your teacher

You might be interested in
Thread-like structures that are found in the nucleus of a cell that contains all DNA. *
maria [59]

Answer:

chromosomes

Explanation:

Thread-like structures that are found in the nucleus of a cell that contains all DNA. Each chromosome is made of protein and a single molecule of DNA. Human cell nucleus contains 46 chromosomes or 23 pairs. Half of these chromosomes come from one parent and half come from the other parent.

3 0
3 years ago
Which of the following statements about the germ layers is NOT correct?
ahrayia [7]

Answer:

The endoderm gives rise to the nervous system.

Explanation:

Gastrulation is the process that occurs during the third week of embryonic development and includes transformation of embryonic disc with epiblast and hypoblast into a three layered embryonic disc made up of ectoderm, mesoderm and endoderm. These are the three primary germ layers and give rise to various tissues and body organs.

Endoderm of the embryo give rise to epithelial lining of gastrointestinal tract (except the buccal cavity), respiratory tracts and other organs such as gallbladder, liver,etc. Mesoderm forms connective tissues such as bones as well as muscles and peritoneum. All the tissues of nervous system and epidermis of skin are derived from ectoderm.

7 0
3 years ago
What has the same meaning as bashful
Natali5045456 [20]
The same meaning would be shy
3 0
3 years ago
A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best f
tekilochka [14]

Answer:

The correct answer is - Fossil fuels are cheaper than alternative forms of energy.

Explanation:

Fossil fuels are made by the natural process in a longer time period such as anaerobic decomposition of the dead organism like plants, and animals. These plants and animal's decomposed organic matter pilled up to form coal, or natural gases or crude oil.

By the use of such fuels the reserves are continuously depleting and will be no longer available in the future if not managed properly as it can not be renewed. Fossil fuels increases the green house gases in environment and affect it by incresing carbon in atmosphere. However, these fuels are cheaper in comparision of other fuels.

Thus, the correct answer is - Fossil fuels are cheaper than alternative forms of energy.

5 0
3 years ago
Read 2 more answers
Please help the problem 1-5 ,9 please please <br><br>thank you
Schach [20]
1 - V=150 cm3 2 - 180 divided by 150= 1.2 g/cm3 3 - The mass would stay the same on the moon as on Earth because mass is just how much matter is in an object. However, the weight would be different because the gravitational pull is weaker on the moon than it is on Earth. 4 - The density is greater than the density of water which is 1 g/cm3. 5 - No because one solid could be a heavier material than another solid. 9 - Mass: gram (g) or kilogram (kg). Volume: liter (L) or centimeter (cm). Density: g/cm3 or g/mL
6 0
3 years ago
Other questions:
  • To test for protein, you added Biuret solution and
    12·2 answers
  • The world's largest concentration of oil and natural gas is in the _____.
    11·1 answer
  • In which specimen were cells first identified?
    10·1 answer
  • Describe the experiments that revealed the structure of the genetic material. If a sample of DNA contains 8% adenine (A), then w
    10·2 answers
  • WORTH 20 POINTS! I need help labeling B and D. Parts of a prokaryote
    6·1 answer
  • The lac operon in E. coli controls the gene expression of the enzymes that digest lactose in the cell. In the presence of lactos
    14·1 answer
  • Ball and socket joint definition
    13·1 answer
  • plz help me u have to match the word with the defineition BRAINLIESTTTTTTTT and u must do all of them or u will get reported
    6·2 answers
  • For separate ecosystems to be classified as the same type of biome they must
    14·1 answer
  • What organelle wouldn’t have a job if the smooth and rough ER didn’t work?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!