Answer:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Explanation: brainlieast...?
The recent events where scientific facts were changing our new discoveries on the moon and the new species of early humans have been discovered.
<h3>What are scientific facts?</h3>
Scientific facts are those facts that are based on scientific theories and experiments. These facts are true, and they came from organized and systematic knowledge.
Scientific facts were always changing s new discoveries happen. Scientist discovers new things every day.
Thus, the recent events are new discoveries on the moon, flying, and land in the martian area. A new species of early humans have been discovered.
To learn more about scientific facts, refer to the link:
brainly.com/question/23206660
#SPJ1
Primary succession is most likely begins after a<span> "lava flow". I hope this helps, and good luck. </span>
The components that are part of the bone matrix are as follows:
<h3>What is the bone matrix?</h3>
The bone matrix is that part of the bone tissue that forms most of the mass of the bone.
The bone matrix is comprised of organic and inorganic substances. The organic component of the bone matrix includes the following:
However, the inorganic component is mainly;
inorganic bone salts
hydroxyapatite
Therefore, the components that are part of the bone matrix are as follows:
- Osteoid
- Calcium salts
Learn more about components of bone matrix at: brainly.com/question/9619090
#SPJ1
Answer:
Solar Energy
Explanation:
A renewable resource is a natural resource which will replenish to replace the portion depleted by usage and consumption, either through natural reproduction or other recurring processes in a finite amount of time in a human time scale. Renewable resources include biomass energy (such as ethanol), hydropower, geothermal power, wind energy, and solar energy.
hope this helps! Have a good day or night! :)
