Why is vachellia nilotica called angiosperm​

Angiosperms are vascular plants with stems, roots, and leaves. The seeds of the angiosperm are found in a flower. ... The seeds develop inside the plant organs and form fruit. Hence, they are also known as flowering plants. Angiosperms are the most advanced and beneficial group of plants

Explanation:

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.