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
Zanzabum
4 years ago
10

Science questions (30 pts)

Biology
1 answer:
Alex Ar [27]4 years ago
4 0
The first one is solids since they have no kinetic energy

The second one is chemical since the change of colors shows that there is about to be a chemical change

The third one is C

The Endothermic process definitely fits melting

You might be interested in
PLEASE HELPPPPP!!!!! The law of conservation of mass states that the mass of all the substances present before a chemical change
White raven [17]

Answer:

Use the vingear and baking soda experiment but change it to lemon and not vingear.

Explanation:

A chemical reaction takes place when vinegar and baking soda are mixed. One of the new substances formed is carbon dioxide gas. If the carbon dioxide gas is contained, the mass of the substances will stay the same according to the Law of Conservation of Mass. If the gas is allowed to escape, the mass will be less

6 0
3 years ago
True or False: Humans have radial symmetry
aliina [53]

Answer:

false

Explanation:

not everyone has radial symmetry

6 0
3 years ago
Read 2 more answers
Which is a benefit of this type of social group structure
MatroZZZ [7]

a social group can be defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity. Other theorists disagree however, and are wary of definitions which stress the importance of interdependence or objective similarity. Instead, researchers within the social identity tradition generally define it as "a group is defined in terms of those who identify themselves as members of the group."[3] Regardless, social groups come in a myriad of sizes and varieties. For example, a society can be viewed as a large social group.

....!i hope it help u....

7 0
3 years ago
Which describes gas exchange in the respiratory system?
hichkok12 [17]

Answer:

The alveolar membrane- is where gas exchange between the blood and the atmosphere takes place. The gas molecules must diffuse across the alveolar epithelium and the capillary endothelium. ... Thus, the alveolar surface (as well as the respiratory bronchioles) have no cilia or mucus layer.

Explanation:

hope it helps =)

4 0
4 years ago
How does wilted plant "drink" water<br><br> help asap uwu ! &lt;3
TEA [102]

Answer:

When it needs water it will release oxygen into the atmosphere. That makes more room for water and it can suck it up.

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • What was miss Evers initial reason for participating in the study ? "Miss Evers' Boys"
    12·2 answers
  • Which trophies level contains more energy: strophic level of herbivores or a trophies level of carnivores? Why?
    12·1 answer
  • What is biopsychology?
    10·1 answer
  • 1What is a super volcanoes eruption style ?<br> 2what is a super volcanoes magma chemistry??
    9·1 answer
  • Which air pressure reading would be most likely during a clear, sunny day?
    9·1 answer
  • Natural killer (NK) cells __________. Natural killer (NK) cells __________. engage in immunological surveillance recognize and k
    10·1 answer
  • Both invertebrates and vertebrates, with the exception of the _____, have a nervous system. lancelet reptile mollusk sponge
    5·2 answers
  • Which of the following correctly describes the function of chloroplasts?
    8·1 answer
  • Which is true about adaptations?
    12·1 answer
  • Scientists have found that the existing populations of a certain species of amphibian are small in number, lacking in genetic di
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!