Answer:
Due to its high magnification power.
Explanation:
A scientist used a light microscope to view an algal cells because light microscope is able to magnify objects up to about a thousand times. Various cellular organelles, such as nuclei, chloroplasts, and mitochondria etc can also be seen clearly with the help of light microscope so that's why scientist used light microscope to study algal cells.
Answer:
Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases
Explanation:
Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs, if your heart can’t pump blood well i.e. heart attack you can feel short of breath
I think the answer is d because the bodys first line of defense is both physical and chemical barriers ect. skin, tears, mucus, cilia, stomach acid and urine flow
Answer:
There can be things common if a human and cat have extra sex chromosomes (XXY) that includes they are both males and they both have Klinefelter syndrome
In both human and cat, sex chromosome is represented as XY and because of an extra sex chromosomes (XXY) both will be male as female has XX sex chromosome.
Both human and cat will suffer from Klinefelter syndrome because extra chromosome can cause any hormonal or genital disorder and Klinefelter syndrome is a disorder in which humans have small undescended testes or small penis.
